57516112171741 has 2 divisors, whose sum is σ = 57516112171742. Its totient is φ = 57516112171740.

The previous prime is 57516112171723. The next prime is 57516112171783. The reversal of 57516112171741 is 14717121161575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29981209760100 + 27534902411641 = 5475510^2 + 5247371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57516112171741 is a prime.

It is a super-2 number, since 2×57516112171741² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57516112172741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758056085870 + 28758056085871.

It is an arithmetic number, because the mean of its divisors is an integer number (28758056085871).

Almost surely, 2^{57516112171741} is an apocalyptic number.

It is an amenable number.

57516112171741 is a deficient number, since it is larger than the sum of its proper divisors (1).

57516112171741 is an equidigital number, since it uses as much as digits as its factorization.

57516112171741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 49.

The spelling of 57516112171741 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred seventy-one thousand, seven hundred forty-one".