57142155172 has 12 divisors (see below), whose sum is σ = 100089935820. Its totient is φ = 28545030656.

The previous prime is 57142155149. The next prime is 57142155173. The reversal of 57142155172 is 27155124175.

57142155172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25694807616 + 31447347556 = 160296^2 + 177334^2 .

It is not an unprimeable number, because it can be changed into a prime (57142155173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6506797 + ... + 6515572.

It is an arithmetic number, because the mean of its divisors is an integer number (8340827985).

Almost surely, 2^57142155172 is an apocalyptic number.

It is an amenable number.

57142155172 is a deficient number, since it is larger than the sum of its proper divisors (42947780648).

57142155172 is a wasteful number, since it uses less digits than its factorization.

57142155172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023470 (or 13023468 counting only the distinct ones).

The product of its digits is 98000, while the sum is 40.

The spelling of 57142155172 in words is "fifty-seven billion, one hundred forty-two million, one hundred fifty-five thousand, one hundred seventy-two".