56806522560865 has 24 divisors (see below), whose sum is σ = 85632311701440. Its totient is φ = 35411858217120.

The previous prime is 56806522560859. The next prime is 56806522560881.

56806522560865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56806522560865 - 2³ = 56806522560857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56806522560797 and 56806522560806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6706787095 + ... + 6706795564.

It is an arithmetic number, because the mean of its divisors is an integer number (3568012987560).

Almost surely, 2^{56806522560865} is an apocalyptic number.

56806522560865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56806522560865 is a deficient number, since it is larger than the sum of its proper divisors (28825789140575).

56806522560865 is a wasteful number, since it uses less digits than its factorization.

56806522560865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413582693 (or 13413582682 counting only the distinct ones).

The product of its (nonzero) digits is 207360000, while the sum is 64.

The spelling of 56806522560865 in words is "fifty-six trillion, eight hundred six billion, five hundred twenty-two million, five hundred sixty thousand, eight hundred sixty-five".