556110110061 has 64 divisors (see below), whose sum is σ = 926785198080. Its totient is φ = 326637360000.

The previous prime is 556110110057. The next prime is 556110110063. The reversal of 556110110061 is 160011011655.

556110110061 is a `hidden beast` number, since 556 + 1 + 1 + 0 + 1 + 100 + 6 + 1 = 666.

It is not a de Polignac number, because 556110110061 - 2² = 556110110057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556110110063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1687506 + ... + 1989948.

It is an arithmetic number, because the mean of its divisors is an integer number (14481018720).

Almost surely, 2^556110110061 is an apocalyptic number.

It is an amenable number.

556110110061 is a deficient number, since it is larger than the sum of its proper divisors (370675088019).

556110110061 is a wasteful number, since it uses less digits than its factorization.

556110110061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302655 (or 302649 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

It can be divided in two parts, 55 and 6110110061, that added together give a palindrome (6110110116).

The spelling of 556110110061 in words is "five hundred fifty-six billion, one hundred ten million, one hundred ten thousand, sixty-one".