56776726552128 has 112 divisors (see below), whose sum is σ = 163998697412160. Its totient is φ = 17192426291200.

The previous prime is 56776726552103. The next prime is 56776726552201. The reversal of 56776726552128 is 82125562767765.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7001733 + ... + 12750596.

Almost surely, 2^{56776726552128} is an apocalyptic number.

It is an amenable number.

56776726552128 is an abundant number, since it is smaller than the sum of its proper divisors (107221970860032).

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

56776726552128 is a wasteful number, since it uses less digits than its factorization.

56776726552128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753716 (or 19753706 counting only the distinct ones).

The product of its digits is 592704000, while the sum is 69.

The spelling of 56776726552128 in words is "fifty-six trillion, seven hundred seventy-six billion, seven hundred twenty-six million, five hundred fifty-two thousand, one hundred twenty-eight".