51036465720 has 64 divisors (see below), whose sum is σ = 153138263040. Its totient is φ = 13607158400.

The previous prime is 51036465709. The next prime is 51036465751. The reversal of 51036465720 is 2756463015.

It is a congruent number.

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, 648085 + ... + 722555.

It is an arithmetic number, because the mean of its divisors is an integer number (2392785360).

Almost surely, 2^51036465720 is an apocalyptic number.

It is an amenable number.

51036465720 is an abundant number, since it is smaller than the sum of its proper divisors (102101797320).

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

51036465720 is a wasteful number, since it uses less digits than its factorization.

51036465720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80196 (or 80192 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 51036465720 in words is "fifty-one billion, thirty-six million, four hundred sixty-five thousand, seven hundred twenty".