求英语达人说说这句数字怎么写成英文？？

15,931,611,376
fifteen billion nine hundred and thirty one million six hundred and eleven thousand three hundred and seventy six

15,931,611,376
fifteen billion, nine hundred and thirty-one million, six hundred and eleven thousand, three hundred and seventy-six
第一个逗号--billion 十亿
第二个逗号--million 百万
第三个逗号--thousands 千

15,931,611,376
fifty thousand nine hundred and thirty three million six hundred and eleven thousand three hundred and seventy six

15,931,611,376
fifteen billion nine hundred and thirty one million six hundred and eleven thousand three hundred and seventy six
真长！！

15,931,611,376
fifteen billion nine hundred and thirty one million six hundred and eleven thousand three hundred and seventy six.
楼上的那位一开头就错了。
希望我的答案可以帮到你。
祝好。

fifteen billions night hunders and thirty-one millions sixty hunders and eleven thousands and three hunders and seventy six.

楼上的兄弟们都忘了复数了