57111022156564 has 12 divisors (see below), whose sum is σ = 101313388620724. Its totient is φ = 28164339693504.

The previous prime is 57111022156561. The next prime is 57111022156607. The reversal of 57111022156564 is 46565122011175.

It can be written as a sum of positive squares in 2 ways, for example, as 44705537888400 + 12405484268164 = 6686220^2 + 3522142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57111022156561) 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, 97792845867 + ... + 97792846450.

Almost surely, 2^{57111022156564} is an apocalyptic number.

It is an amenable number.

57111022156564 is a deficient number, since it is larger than the sum of its proper divisors (44202366464160).

57111022156564 is a wasteful number, since it uses less digits than its factorization.

57111022156564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195585692394 (or 195585692392 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 57111022156564 in words is "fifty-seven trillion, one hundred eleven billion, twenty-two million, one hundred fifty-six thousand, five hundred sixty-four".