56816685315 has 48 divisors (see below), whose sum is σ = 108314414208. Its totient is φ = 27376144128.

The previous prime is 56816685301. The next prime is 56816685361. The reversal of 56816685315 is 51358661865.

56816685315 is a `hidden beast` number, since 568 + 1 + 6 + 68 + 5 + 3 + 15 = 666.

It is not a de Polignac number, because 56816685315 - 2¹³ = 56816677123 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1005724 + ... + 1060713.

It is an arithmetic number, because the mean of its divisors is an integer number (2256550296).

Almost surely, 2^56816685315 is an apocalyptic number.

56816685315 is a deficient number, since it is larger than the sum of its proper divisors (51497728893).

56816685315 is a wasteful number, since it uses less digits than its factorization.

56816685315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066508 (or 2066505 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 56816685315 in words is "fifty-six billion, eight hundred sixteen million, six hundred eighty-five thousand, three hundred fifteen".