56560001511 has 16 divisors (see below), whose sum is σ = 81335074016. Its totient is φ = 34754420736.

The previous prime is 56560001507. The next prime is 56560001513. The reversal of 56560001511 is 11510006565.

It is not a de Polignac number, because 56560001511 - 2² = 56560001507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560001513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051210 + ... + 1103703.

It is an arithmetic number, because the mean of its divisors is an integer number (5083442126).

Almost surely, 2^56560001511 is an apocalyptic number.

56560001511 is a deficient number, since it is larger than the sum of its proper divisors (24775072505).

56560001511 is a wasteful number, since it uses less digits than its factorization.

56560001511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155602.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 56560001511 in words is "fifty-six billion, five hundred sixty million, one thousand, five hundred eleven".