518972268925 has 24 divisors (see below), whose sum is σ = 743323709952. Its totient is φ = 355232352000.

The previous prime is 518972268781. The next prime is 518972268953. The reversal of 518972268925 is 529862279815.

It is not a de Polignac number, because 518972268925 - 2⁹ = 518972268413 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 23 ways as a sum of consecutive naturals, for example, 55500381 + ... + 55509730.

It is an arithmetic number, because the mean of its divisors is an integer number (30971821248).

Almost surely, 2^518972268925 is an apocalyptic number.

518972268925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

518972268925 is a deficient number, since it is larger than the sum of its proper divisors (224351441027).

518972268925 is a wasteful number, since it uses less digits than its factorization.

518972268925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010149 (or 111010144 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 64.

The spelling of 518972268925 in words is "five hundred eighteen billion, nine hundred seventy-two million, two hundred sixty-eight thousand, nine hundred twenty-five".