57731112761 has 16 divisors (see below), whose sum is σ = 71144895360. Its totient is φ = 45735995520.

The previous prime is 57731112749. The next prime is 57731112773. The reversal of 57731112761 is 16721113775.

It is an interprime number because it is at equal distance from previous prime (57731112749) and next prime (57731112773).

It is a cyclic number.

It is not a de Polignac number, because 57731112761 - 2⁶ = 57731112697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (57731112701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5288066 + ... + 5298971.

It is an arithmetic number, because the mean of its divisors is an integer number (4446555960).

Almost surely, 2^57731112761 is an apocalyptic number.

It is an amenable number.

57731112761 is a deficient number, since it is larger than the sum of its proper divisors (13413782599).

57731112761 is a wasteful number, since it uses less digits than its factorization.

57731112761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587104.

The product of its digits is 61740, while the sum is 41.

The spelling of 57731112761 in words is "fifty-seven billion, seven hundred thirty-one million, one hundred twelve thousand, seven hundred sixty-one".