51086118745620 has 144 divisors (see below), whose sum is σ = 183657750476928. Its totient is φ = 11676827134080.

The previous prime is 51086118745619. The next prime is 51086118745679. The reversal of 51086118745620 is 2654781168015.

51086118745620 is a `hidden beast` number, since 5 + 1 + 0 + 8 + 6 + 1 + 1 + 8 + 7 + 4 + 5 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 750790771 + ... + 750858810.

Almost surely, 2^{51086118745620} is an apocalyptic number.

It is an amenable number.

51086118745620 is an abundant number, since it is smaller than the sum of its proper divisors (132571631731308).

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

51086118745620 is a wasteful number, since it uses less digits than its factorization.

51086118745620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501649612 (or 1501649598 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 51086118745620 in words is "fifty-one trillion, eighty-six billion, one hundred eighteen million, seven hundred forty-five thousand, six hundred twenty".