57516112121177 has 8 divisors (see below), whose sum is σ = 57936117201672. Its totient is φ = 57096109641600.

The previous prime is 57516112121173. The next prime is 57516112121179. The reversal of 57516112121177 is 77112121161575.

It can be written as a sum of positive squares in 4 ways, for example, as 11364524219161 + 46151587902016 = 3371131^2 + 6793496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57516112121177 - 2² = 57516112121173 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57516112121173) 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, 81363227 + ... + 82067087.

It is an arithmetic number, because the mean of its divisors is an integer number (7242014650209).

Almost surely, 2^{57516112121177} is an apocalyptic number.

It is an amenable number.

57516112121177 is a deficient number, since it is larger than the sum of its proper divisors (420005080495).

57516112121177 is a wasteful number, since it uses less digits than its factorization.

57516112121177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300459.

The product of its digits is 205800, while the sum is 47.

The spelling of 57516112121177 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, one hundred seventy-seven".