2315718856567 has 2 divisors, whose sum is σ = 2315718856568. Its totient is φ = 2315718856566.

The previous prime is 2315718856537. The next prime is 2315718856621. The reversal of 2315718856567 is 7656588175132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2315718856567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2315718856499 and 2315718856508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315718856537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157859428283 + 1157859428284.

It is an arithmetic number, because the mean of its divisors is an integer number (1157859428284).

Almost surely, 2^{2315718856567} is an apocalyptic number.

2315718856567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315718856567 is an equidigital number, since it uses as much as digits as its factorization.

2315718856567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672000, while the sum is 64.

The spelling of 2315718856567 in words is "two trillion, three hundred fifteen billion, seven hundred eighteen million, eight hundred fifty-six thousand, five hundred sixty-seven".