57115517100506 has 16 divisors (see below), whose sum is σ = 88014222330216. Its totient is φ = 27777889529856.

The previous prime is 57115517100479. The next prime is 57115517100511. The reversal of 57115517100506 is 60500171551175.

It can be written as a sum of positive squares in 4 ways, for example, as 47888351459881 + 9227165640625 = 6920141^2 + 3037625^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111377291 + ... + 111888926.

Almost surely, 2^{57115517100506} is an apocalyptic number.

57115517100506 is a deficient number, since it is larger than the sum of its proper divisors (30898705229710).

57115517100506 is a wasteful number, since it uses less digits than its factorization.

57115517100506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223269713.

The product of its (nonzero) digits is 183750, while the sum is 44.

The spelling of 57115517100506 in words is "fifty-seven trillion, one hundred fifteen billion, five hundred seventeen million, one hundred thousand, five hundred six".