It is a weak prime.
It is a cyclic number.
Almost surely, 257516112121873 is an apocalyptic number.
It is an amenable number.
57516112121873 is an equidigital number, since it uses as much as digits as its factorization.
57516112121873 is an evil number, because the sum of its binary digits is even.
The spelling of 57516112121873 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, eight hundred seventy-three".