51100416512775 has 72 divisors (see below), whose sum is σ = 104603233818720. Its totient is φ = 23359857131520.

The previous prime is 51100416512767. The next prime is 51100416512819. The reversal of 51100416512775 is 57721561400115.

51100416512775 is a `hidden beast` number, since 5 + 1 + 100 + 416 + 5 + 127 + 7 + 5 = 666.

It is not a de Polignac number, because 51100416512775 - 2³ = 51100416512767 is a prime.

It is a super-2 number, since 2×51100416512775² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 51100416512775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 135439591 + ... + 135816359.

Almost surely, 2^{51100416512775} is an apocalyptic number.

51100416512775 is an abundant number, since it is smaller than the sum of its proper divisors (53502817305945).

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

51100416512775 is a wasteful number, since it uses less digits than its factorization.

51100416512775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462905 (or 462897 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 45.

The spelling of 51100416512775 in words is "fifty-one trillion, one hundred billion, four hundred sixteen million, five hundred twelve thousand, seven hundred seventy-five".