51252425215 has 16 divisors (see below), whose sum is σ = 61832263680. Its totient is φ = 40782488320.

The previous prime is 51252425201. The next prime is 51252425221.

51252425215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51252425215 - 2¹³ = 51252417023 is a prime.

It is a super-2 number, since 2×51252425215² (a number of 22 digits) contains 22 as substring.

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, 6803571 + ... + 6811099.

It is an arithmetic number, because the mean of its divisors is an integer number (3864516480).

Almost surely, 2^51252425215 is an apocalyptic number.

51252425215 is a deficient number, since it is larger than the sum of its proper divisors (10579838465).

51252425215 is a wasteful number, since it uses less digits than its factorization.

51252425215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14642.

The product of its digits is 40000, while the sum is 34.

The spelling of 51252425215 in words is "fifty-one billion, two hundred fifty-two million, four hundred twenty-five thousand, two hundred fifteen".