57126587825 has 12 divisors (see below), whose sum is σ = 71463848268. Its totient is φ = 45296832000.

The previous prime is 57126587803. The next prime is 57126587839. The reversal of 57126587825 is 52878562175.

It can be written as a sum of positive squares in 6 ways, for example, as 5744578849 + 51382008976 = 75793^2 + 226676^2 .

It is not a de Polignac number, because 57126587825 - 2⁶ = 57126587761 is a prime.

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, 10108076 + ... + 10113725.

It is an arithmetic number, because the mean of its divisors is an integer number (5955320689).

Almost surely, 2^57126587825 is an apocalyptic number.

It is an amenable number.

57126587825 is a deficient number, since it is larger than the sum of its proper divisors (14337260443).

57126587825 is a wasteful number, since it uses less digits than its factorization.

57126587825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20221924 (or 20221919 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 56.

The spelling of 57126587825 in words is "fifty-seven billion, one hundred twenty-six million, five hundred eighty-seven thousand, eight hundred twenty-five".