51502441322425 has 24 divisors (see below), whose sum is σ = 65449270478592. Its totient is φ = 40179449232000.

The previous prime is 51502441322369. The next prime is 51502441322473. The reversal of 51502441322425 is 52422314420515.

It is not a de Polignac number, because 51502441322425 - 2¹¹ = 51502441320377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8641021 + ... + 13329370.

It is an arithmetic number, because the mean of its divisors is an integer number (2727052936608).

Almost surely, 2^{51502441322425} is an apocalyptic number.

It is an amenable number.

51502441322425 is a deficient number, since it is larger than the sum of its proper divisors (13946829156167).

51502441322425 is a wasteful number, since it uses less digits than its factorization.

51502441322425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21972729 (or 21972724 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 51502441322425 in words is "fifty-one trillion, five hundred two billion, four hundred forty-one million, three hundred twenty-two thousand, four hundred twenty-five".