57166861125 has 32 divisors (see below), whose sum is σ = 103773451392. Its totient is φ = 27717264000.

The previous prime is 57166861121. The next prime is 57166861127. The reversal of 57166861125 is 52116866175.

57166861125 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 57166861125 - 2² = 57166861121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57166861121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6925192 + ... + 6933441.

It is an arithmetic number, because the mean of its divisors is an integer number (3242920356).

Almost surely, 2^57166861125 is an apocalyptic number.

57166861125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57166861125 is a deficient number, since it is larger than the sum of its proper divisors (46606590267).

57166861125 is a wasteful number, since it uses less digits than its factorization.

57166861125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858662 (or 13858652 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The spelling of 57166861125 in words is "fifty-seven billion, one hundred sixty-six million, eight hundred sixty-one thousand, one hundred twenty-five".