56610065155 has 32 divisors (see below), whose sum is σ = 79062403968. Its totient is φ = 38107929600.

The previous prime is 56610065129. The next prime is 56610065159. The reversal of 56610065155 is 55156001665.

It is not a de Polignac number, because 56610065155 - 2¹³ = 56610056963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56610065159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086889 + ... + 1137781.

It is an arithmetic number, because the mean of its divisors is an integer number (2470700124).

Almost surely, 2^56610065155 is an apocalyptic number.

56610065155 is a deficient number, since it is larger than the sum of its proper divisors (22452338813).

56610065155 is a wasteful number, since it uses less digits than its factorization.

56610065155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51487.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 56610065155 in words is "fifty-six billion, six hundred ten million, sixty-five thousand, one hundred fifty-five".