51001520360 has 32 divisors (see below), whose sum is σ = 131146767360. Its totient is φ = 17486235456.

The previous prime is 51001520359. The next prime is 51001520371. The reversal of 51001520360 is 6302510015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91073864 + ... + 91074423.

It is an arithmetic number, because the mean of its divisors is an integer number (4098336480).

Almost surely, 2^51001520360 is an apocalyptic number.

It is an amenable number.

51001520360 is an abundant number, since it is smaller than the sum of its proper divisors (80145247000).

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

51001520360 is a wasteful number, since it uses less digits than its factorization.

51001520360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182148305 (or 182148301 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 51001520360 in words is "fifty-one billion, one million, five hundred twenty thousand, three hundred sixty".