51086536120519 has 8 divisors (see below), whose sum is σ = 52917586488720. Its totient is φ = 49260115464000.

The previous prime is 51086536120483. The next prime is 51086536120537. The reversal of 51086536120519 is 91502163568015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51086536120519 - 2²¹ = 51086534023367 is a prime.

It is a super-2 number, since 2×51086536120519² (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 (51086536120589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157405457 + ... + 1157449594.

It is an arithmetic number, because the mean of its divisors is an integer number (6614698311090).

Almost surely, 2^{51086536120519} is an apocalyptic number.

51086536120519 is a deficient number, since it is larger than the sum of its proper divisors (1831050368201).

51086536120519 is a wasteful number, since it uses less digits than its factorization.

51086536120519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314855841.

The product of its (nonzero) digits is 1944000, while the sum is 52.

The spelling of 51086536120519 in words is "fifty-one trillion, eighty-six billion, five hundred thirty-six million, one hundred twenty thousand, five hundred nineteen".