56117100555 has 96 divisors (see below), whose sum is σ = 105859353600. Its totient is φ = 27394937856.

The previous prime is 56117100527. The next prime is 56117100569. The reversal of 56117100555 is 55500171165.

It is a happy number.

It is not a de Polignac number, because 56117100555 - 2⁷ = 56117100427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4042216 + ... + 4056074.

It is an arithmetic number, because the mean of its divisors is an integer number (1102701600).

Almost surely, 2^56117100555 is an apocalyptic number.

56117100555 is a deficient number, since it is larger than the sum of its proper divisors (49742253045).

56117100555 is a wasteful number, since it uses less digits than its factorization.

56117100555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14033 (or 14030 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 56117100555 in words is "fifty-six billion, one hundred seventeen million, one hundred thousand, five hundred fifty-five".