51515731411434 has 24 divisors (see below), whose sum is σ = 111617892378720. Its totient is φ = 17171837498088.

The previous prime is 51515731411387. The next prime is 51515731411457. The reversal of 51515731411434 is 43411413751515.

51515731411434 is a `hidden beast` number, since 5 + 1 + 5 + 1 + 5 + 73 + 141 + 1 + 434 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51515731411434.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1639942 + ... + 10282065.

It is an arithmetic number, because the mean of its divisors is an integer number (4650745515780).

Almost surely, 2^{51515731411434} is an apocalyptic number.

51515731411434 is an abundant number, since it is smaller than the sum of its proper divisors (60102160967286).

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

51515731411434 is a wasteful number, since it uses less digits than its factorization.

51515731411434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162074 (or 12162071 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The spelling of 51515731411434 in words is "fifty-one trillion, five hundred fifteen billion, seven hundred thirty-one million, four hundred eleven thousand, four hundred thirty-four".