57147751156 has 6 divisors (see below), whose sum is σ = 100008564530. Its totient is φ = 28573875576.

The previous prime is 57147751139. The next prime is 57147751169. The reversal of 57147751156 is 65115774175.

It can be written as a sum of positive squares in only one way, i.e., 56565011556 + 582739600 = 237834^2 + 24140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7143468891 + ... + 7143468898.

Almost surely, 2^57147751156 is an apocalyptic number.

It is an amenable number.

57147751156 is a deficient number, since it is larger than the sum of its proper divisors (42860813374).

57147751156 is a wasteful number, since it uses less digits than its factorization.

57147751156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14286937793 (or 14286937791 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 49.

The spelling of 57147751156 in words is "fifty-seven billion, one hundred forty-seven million, seven hundred fifty-one thousand, one hundred fifty-six".