56566556150061 has 16 divisors (see below), whose sum is σ = 77264811731520. Its totient is φ = 36789744574080.

The previous prime is 56566556150059. The next prime is 56566556150113. The reversal of 56566556150061 is 16005165566565.

It is not a de Polignac number, because 56566556150061 - 2¹ = 56566556150059 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56566556149983 and 56566556150010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566556155061) 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, 6436551 + ... + 12432308.

It is an arithmetic number, because the mean of its divisors is an integer number (4829050733220).

Almost surely, 2^{56566556150061} is an apocalyptic number.

It is an amenable number.

56566556150061 is a deficient number, since it is larger than the sum of its proper divisors (20698255581459).

56566556150061 is a wasteful number, since it uses less digits than its factorization.

56566556150061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18893276.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 56566556150061 in words is "fifty-six trillion, five hundred sixty-six billion, five hundred fifty-six million, one hundred fifty thousand, sixty-one".