56856764135 has 8 divisors (see below), whose sum is σ = 68297957136. Its totient is φ = 45438851200.

The previous prime is 56856764123. The next prime is 56856764143. The reversal of 56856764135 is 53146765865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56856764135 - 2²⁴ = 56839986919 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5814641 + ... + 5824410.

It is an arithmetic number, because the mean of its divisors is an integer number (8537244642).

Almost surely, 2^56856764135 is an apocalyptic number.

56856764135 is a deficient number, since it is larger than the sum of its proper divisors (11441193001).

56856764135 is a wasteful number, since it uses less digits than its factorization.

56856764135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640033.

The product of its digits is 18144000, while the sum is 56.

The spelling of 56856764135 in words is "fifty-six billion, eight hundred fifty-six million, seven hundred sixty-four thousand, one hundred thirty-five".