57115264144 has 15 divisors (see below), whose sum is σ = 110662676467. Its totient is φ = 28557154096.

The previous prime is 57115264109. The next prime is 57115264147. The reversal of 57115264144 is 44146251175.

It is a happy number.

The square root of 57115264144 is 238988.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57115264097 and 57115264106.

It is not an unprimeable number, because it can be changed into a prime (57115264147) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 926079 + ... + 985825.

Almost surely, 2^57115264144 is an apocalyptic number.

57115264144 is the 238988-th square number.

It is an amenable number.

57115264144 is a deficient number, since it is larger than the sum of its proper divisors (53547412323).

57115264144 is an frugal number, since it uses more digits than its factorization.

57115264144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119502 (or 59749 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The spelling of 57115264144 in words is "fifty-seven billion, one hundred fifteen million, two hundred sixty-four thousand, one hundred forty-four".