56005111105 has 16 divisors (see below), whose sum is σ = 67426767360. Its totient is φ = 44657126208.

The previous prime is 56005111093. The next prime is 56005111153. The reversal of 56005111105 is 50111150065.

It is a cyclic number.

It is not a de Polignac number, because 56005111105 - 2⁹ = 56005110593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56005111105.

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, 4270939 + ... + 4284031.

It is an arithmetic number, because the mean of its divisors is an integer number (4214172960).

Almost surely, 2^56005111105 is an apocalyptic number.

It is an amenable number.

56005111105 is a deficient number, since it is larger than the sum of its proper divisors (11421656255).

56005111105 is a wasteful number, since it uses less digits than its factorization.

56005111105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 56005111105 in words is "fifty-six billion, five million, one hundred eleven thousand, one hundred five".