56131100190 has 72 divisors (see below), whose sum is σ = 160414365384. Its totient is φ = 13607536800.

The previous prime is 56131100177. The next prime is 56131100197. The reversal of 56131100190 is 9100113165.

56131100190 is a `hidden beast` number, since 561 + 3 + 1 + 10 + 0 + 1 + 90 = 666.

56131100190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56131100190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56131100197) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2566296 + ... + 2588075.

It is an arithmetic number, because the mean of its divisors is an integer number (2227977297).

Almost surely, 2^56131100190 is an apocalyptic number.

56131100190 is an abundant number, since it is smaller than the sum of its proper divisors (104283265194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56131100190 is a wasteful number, since it uses less digits than its factorization.

56131100190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154406 (or 5154392 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The spelling of 56131100190 in words is "fifty-six billion, one hundred thirty-one million, one hundred thousand, one hundred ninety".