51086518480165 has 32 divisors (see below), whose sum is σ = 74479146819840. Its totient is φ = 32858447040000.

The previous prime is 51086518480157. The next prime is 51086518480169. The reversal of 51086518480165 is 56108481568015.

51086518480165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51086518480165 - 2³ = 51086518480157 is a prime.

It is a super-2 number, since 2×51086518480165² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51086518480169) 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 31 ways as a sum of consecutive naturals, for example, 380238936 + ... + 380373265.

It is an arithmetic number, because the mean of its divisors is an integer number (2327473338120).

Almost surely, 2^{51086518480165} is an apocalyptic number.

It is an amenable number.

51086518480165 is a deficient number, since it is larger than the sum of its proper divisors (23392628339675).

51086518480165 is a wasteful number, since it uses less digits than its factorization.

51086518480165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760612333.

The product of its (nonzero) digits is 9216000, while the sum is 58.

The spelling of 51086518480165 in words is "fifty-one trillion, eighty-six billion, five hundred eighteen million, four hundred eighty thousand, one hundred sixty-five".