57261984725 has 12 divisors (see below), whose sum is σ = 77459848800. Its totient is φ = 41645079600.

The previous prime is 57261984691. The next prime is 57261984737. The reversal of 57261984725 is 52748916275.

57261984725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57261984725 - 2⁸ = 57261984469 is a prime.

It is a super-2 number, since 2×57261984725² (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 11 ways as a sum of consecutive naturals, for example, 104112425 + ... + 104112974.

It is an arithmetic number, because the mean of its divisors is an integer number (6454987400).

Almost surely, 2^57261984725 is an apocalyptic number.

57261984725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57261984725 is a deficient number, since it is larger than the sum of its proper divisors (20197864075).

57261984725 is a wasteful number, since it uses less digits than its factorization.

57261984725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208225420 (or 208225415 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 56.

The spelling of 57261984725 in words is "fifty-seven billion, two hundred sixty-one million, nine hundred eighty-four thousand, seven hundred twenty-five".