51086518480170 has 48 divisors (see below), whose sum is σ = 132867507237192. Its totient is φ = 13618706549760.

The previous prime is 51086518480169. The next prime is 51086518480181. The reversal of 51086518480170 is 7108481568015.

51086518480170 is a `hidden beast` number, since 5 + 1 + 0 + 86 + 5 + 18 + 480 + 1 + 70 = 666.

51086518480170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6917694282801 + 44168824197369 = 2630151^2 + 6645963^2 .

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 90655987 + ... + 91217766.

Almost surely, 2^{51086518480170} is an apocalyptic number.

51086518480170 is an abundant number, since it is smaller than the sum of its proper divisors (81780988757022).

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

51086518480170 is a wasteful number, since it uses less digits than its factorization.

51086518480170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181876887 (or 181876884 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 54.

The spelling of 51086518480170 in words is "fifty-one trillion, eighty-six billion, five hundred eighteen million, four hundred eighty thousand, one hundred seventy".