57561888972118 has 4 divisors (see below), whose sum is σ = 86342833458180. Its totient is φ = 28780944486058.

The previous prime is 57561888972097. The next prime is 57561888972139. The reversal of 57561888972118 is 81127988816575.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57561888972097) and next prime (57561888972139).

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 14390472243028 + ... + 14390472243031.

It is an arithmetic number, because the mean of its divisors is an integer number (21585708364545).

Almost surely, 2^{57561888972118} is an apocalyptic number.

57561888972118 is a deficient number, since it is larger than the sum of its proper divisors (28780944486062).

57561888972118 is a wasteful number, since it uses less digits than its factorization.

57561888972118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28780944486061.

The product of its digits is 541900800, while the sum is 76.

The spelling of 57561888972118 in words is "fifty-seven trillion, five hundred sixty-one billion, eight hundred eighty-eight million, nine hundred seventy-two thousand, one hundred eighteen".