56110406565 has 16 divisors (see below), whose sum is σ = 92672672256. Its totient is φ = 28960209600.

The previous prime is 56110406557. The next prime is 56110406593. The reversal of 56110406565 is 56560401165.

It is not a de Polignac number, because 56110406565 - 2³ = 56110406557 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 60333306 + ... + 60334235.

It is an arithmetic number, because the mean of its divisors is an integer number (5792042016).

Almost surely, 2^56110406565 is an apocalyptic number.

It is an amenable number.

56110406565 is a deficient number, since it is larger than the sum of its proper divisors (36562265691).

56110406565 is a wasteful number, since it uses less digits than its factorization.

56110406565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120667580.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 56110406565 in words is "fifty-six billion, one hundred ten million, four hundred six thousand, five hundred sixty-five".