57516111859813 has 2 divisors, whose sum is σ = 57516111859814. Its totient is φ = 57516111859812.

The previous prime is 57516111859783. The next prime is 57516111859837. The reversal of 57516111859813 is 31895811161575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56712376300644 + 803735559169 = 7530762^2 + 896513^2 .

It is a cyclic number.

It is not a de Polignac number, because 57516111859813 - 2²⁹ = 57515574988901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57516111854813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758055929906 + 28758055929907.

It is an arithmetic number, because the mean of its divisors is an integer number (28758055929907).

Almost surely, 2^{57516111859813} is an apocalyptic number.

It is an amenable number.

57516111859813 is a deficient number, since it is larger than the sum of its proper divisors (1).

57516111859813 is an equidigital number, since it uses as much as digits as its factorization.

57516111859813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 61.

The spelling of 57516111859813 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred eleven million, eight hundred fifty-nine thousand, eight hundred thirteen".