57511120064 has 28 divisors (see below), whose sum is σ = 120130138200. Its totient is φ = 27242108928.

The previous prime is 57511120061. The next prime is 57511120103. The reversal of 57511120064 is 46002111575.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 57511120064.

It is not an unprimeable number, because it can be changed into a prime (57511120061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23646449 + ... + 23648880.

Almost surely, 2^57511120064 is an apocalyptic number.

It is an amenable number.

57511120064 is an abundant number, since it is smaller than the sum of its proper divisors (62619018136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57511120064 is a wasteful number, since it uses less digits than its factorization.

57511120064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47295360 (or 47295350 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 57511120064 in words is "fifty-seven billion, five hundred eleven million, one hundred twenty thousand, sixty-four".