51023305525 has 6 divisors (see below), whose sum is σ = 63268898882. Its totient is φ = 40818644400.

The previous prime is 51023305469. The next prime is 51023305537. The reversal of 51023305525 is 52550332015.

It can be written as a sum of positive squares in 3 ways, for example, as 530519089 + 50492786436 = 23033^2 + 224706^2 .

It is not a de Polignac number, because 51023305525 - 2¹⁵ = 51023272757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020466086 + ... + 1020466135.

Almost surely, 2^51023305525 is an apocalyptic number.

It is an amenable number.

51023305525 is a deficient number, since it is larger than the sum of its proper divisors (12245593357).

51023305525 is a wasteful number, since it uses less digits than its factorization.

51023305525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040932231 (or 2040932226 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 51023305525 in words is "fifty-one billion, twenty-three million, three hundred five thousand, five hundred twenty-five".