57126558612 has 24 divisors (see below), whose sum is σ = 134518199200. Its totient is φ = 18867486816.

The previous prime is 57126558611. The next prime is 57126558613. The reversal of 57126558612 is 21685562175.

It is an interprime number because it is at equal distance from previous prime (57126558611) and next prime (57126558613).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57126558611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21836062 + ... + 21838677.

Almost surely, 2^57126558612 is an apocalyptic number.

It is an amenable number.

57126558612 is an abundant number, since it is smaller than the sum of its proper divisors (77391640588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57126558612 is a wasteful number, since it uses less digits than its factorization.

57126558612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43674855 (or 43674853 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 48.

The spelling of 57126558612 in words is "fifty-seven billion, one hundred twenty-six million, five hundred fifty-eight thousand, six hundred twelve".