51087316184564 has 12 divisors (see below), whose sum is σ = 97530330897888. Its totient is φ = 23221507356600.

The previous prime is 51087316184539. The next prime is 51087316184633. The reversal of 51087316184564 is 46548161378015.

It is a super-2 number, since 2×51087316184564² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580537683872 + ... + 580537683959.

It is an arithmetic number, because the mean of its divisors is an integer number (8127527574824).

Almost surely, 2^{51087316184564} is an apocalyptic number.

It is an amenable number.

51087316184564 is a deficient number, since it is larger than the sum of its proper divisors (46443014713324).

51087316184564 is a wasteful number, since it uses less digits than its factorization.

51087316184564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161075367846 (or 1161075367844 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 51087316184564 in words is "fifty-one trillion, eighty-seven billion, three hundred sixteen million, one hundred eighty-four thousand, five hundred sixty-four".