15711513400057 has 2 divisors, whose sum is σ = 15711513400058. Its totient is φ = 15711513400056.

The previous prime is 15711513399977. The next prime is 15711513400087. The reversal of 15711513400057 is 75000431511751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10113538472041 + 5597974928016 = 3180179^2 + 2366004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15711513400057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15711513399992 and 15711513400019.

It is not a weakly prime, because it can be changed into another prime (15711513400087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7855756700028 + 7855756700029.

It is an arithmetic number, because the mean of its divisors is an integer number (7855756700029).

Almost surely, 2^{15711513400057} is an apocalyptic number.

It is an amenable number.

15711513400057 is a deficient number, since it is larger than the sum of its proper divisors (1).

15711513400057 is an equidigital number, since it uses as much as digits as its factorization.

15711513400057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 15711513400057 in words is "fifteen trillion, seven hundred eleven billion, five hundred thirteen million, four hundred thousand, fifty-seven".