51178855084 has 12 divisors (see below), whose sum is σ = 102357710224. Its totient is φ = 21933795024.

The previous prime is 51178855051. The next prime is 51178855093. The reversal of 51178855084 is 48055887115.

51178855084 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 913908099 + ... + 913908154.

Almost surely, 2^51178855084 is an apocalyptic number.

It is an amenable number.

51178855084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51178855084 is a wasteful number, since it uses less digits than its factorization.

51178855084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827816264 (or 1827816262 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 52.

The spelling of 51178855084 in words is "fifty-one billion, one hundred seventy-eight million, eight hundred fifty-five thousand, eighty-four".