51017415370188 has 48 divisors (see below), whose sum is σ = 124234499160576. Its totient is φ = 16264041122560.

The previous prime is 51017415370171. The next prime is 51017415370213. The reversal of 51017415370188 is 88107351471015.

It is a self number, because there is not a number n which added to its sum of digits gives 51017415370188.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11640048 + ... + 15411863.

It is an arithmetic number, because the mean of its divisors is an integer number (2588218732512).

Almost surely, 2^{51017415370188} is an apocalyptic number.

It is an amenable number.

51017415370188 is an abundant number, since it is smaller than the sum of its proper divisors (73217083790388).

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

51017415370188 is a wasteful number, since it uses less digits than its factorization.

51017415370188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27058774 (or 27058772 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 51.

The spelling of 51017415370188 in words is "fifty-one trillion, seventeen billion, four hundred fifteen million, three hundred seventy thousand, one hundred eighty-eight".