13056885864 has 48 divisors (see below), whose sum is σ = 38577165120. Its totient is φ = 3956631840.

The previous prime is 13056885857. The next prime is 13056885883. The reversal of 13056885864 is 46858865031.

13056885864 is a `hidden beast` number, since 1 + 3 + 0 + 56 + 8 + 8 + 586 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13056885864.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8242192 + ... + 8243775.

It is an arithmetic number, because the mean of its divisors is an integer number (803690940).

Almost surely, 2^13056885864 is an apocalyptic number.

It is an amenable number.

13056885864 is an abundant number, since it is smaller than the sum of its proper divisors (25520279256).

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

13056885864 is a wasteful number, since it uses less digits than its factorization.

13056885864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16485990 (or 16485983 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 13056885864 in words is "thirteen billion, fifty-six million, eight hundred eighty-five thousand, eight hundred sixty-four".