51293255125 has 24 divisors (see below), whose sum is σ = 74465253720. Its totient is φ = 35172513600.

The previous prime is 51293255119. The next prime is 51293255137. The reversal of 51293255125 is 52155239215.

It can be written as a sum of positive squares in 4 ways, for example, as 165714129 + 51127540996 = 12873^2 + 226114^2 .

It is not a de Polignac number, because 51293255125 - 2⁹ = 51293254613 is a prime.

It is a congruent 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, 4181080 + ... + 4193329.

It is an arithmetic number, because the mean of its divisors is an integer number (3102718905).

Almost surely, 2^51293255125 is an apocalyptic number.

It is an amenable number.

51293255125 is a deficient number, since it is larger than the sum of its proper divisors (23171998595).

51293255125 is an equidigital number, since it uses as much as digits as its factorization.

51293255125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374438 (or 8374421 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The spelling of 51293255125 in words is "fifty-one billion, two hundred ninety-three million, two hundred fifty-five thousand, one hundred twenty-five".