56657105265 has 16 divisors (see below), whose sum is σ = 93777278400. Its totient is φ = 29175152832.

The previous prime is 56657105251. The next prime is 56657105273. The reversal of 56657105265 is 56250175665.

It is a happy number.

It is not a de Polignac number, because 56657105265 - 2⁹ = 56657104753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65122675 + ... + 65123544.

It is an arithmetic number, because the mean of its divisors is an integer number (5861079900).

Almost surely, 2^56657105265 is an apocalyptic number.

It is an amenable number.

56657105265 is a deficient number, since it is larger than the sum of its proper divisors (37120173135).

56657105265 is a wasteful number, since it uses less digits than its factorization.

56657105265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130246256.

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 56657105265 in words is "fifty-six billion, six hundred fifty-seven million, one hundred five thousand, two hundred sixty-five".