102516102539 has 2 divisors, whose sum is σ = 102516102540. Its totient is φ = 102516102538.

The previous prime is 102516102497. The next prime is 102516102583. The reversal of 102516102539 is 935201615201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102516102539 - 2²⁸ = 102247667083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102516102499 and 102516102508.

It is not a weakly prime, because it can be changed into another prime (102516102239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51258051269 + 51258051270.

It is an arithmetic number, because the mean of its divisors is an integer number (51258051270).

Almost surely, 2^102516102539 is an apocalyptic number.

102516102539 is a deficient number, since it is larger than the sum of its proper divisors (1).

102516102539 is an equidigital number, since it uses as much as digits as its factorization.

102516102539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 102516102539 in words is "one hundred two billion, five hundred sixteen million, one hundred two thousand, five hundred thirty-nine".