556705672155 has 24 divisors (see below), whose sum is σ = 965042084448. Its totient is φ = 296883357696.

The previous prime is 556705672151. The next prime is 556705672163. The reversal of 556705672155 is 551276507655.

556705672155 is a `hidden beast` number, since 5 + 5 + 6 + 7 + 0 + 567 + 21 + 55 = 666.

It is not a de Polignac number, because 556705672155 - 2² = 556705672151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556705672151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30247 + ... + 1055616.

It is an arithmetic number, because the mean of its divisors is an integer number (40210086852).

Almost surely, 2^556705672155 is an apocalyptic number.

556705672155 is a deficient number, since it is larger than the sum of its proper divisors (408336412293).

556705672155 is a wasteful number, since it uses less digits than its factorization.

556705672155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097267 (or 1097264 counting only the distinct ones).

The product of its (nonzero) digits is 11025000, while the sum is 54.

The spelling of 556705672155 in words is "five hundred fifty-six billion, seven hundred five million, six hundred seventy-two thousand, one hundred fifty-five".