13525165457113 has 2 divisors, whose sum is σ = 13525165457114. Its totient is φ = 13525165457112.

The previous prime is 13525165457101. The next prime is 13525165457149. The reversal of 13525165457113 is 31175456152531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8588023664089 + 4937141793024 = 2930533^2 + 2221968^2 .

It is an emirp because it is prime and its reverse (31175456152531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13525165457113 - 2⁹ = 13525165456601 is a prime.

It is not a weakly prime, because it can be changed into another prime (13525165457413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762582728556 + 6762582728557.

It is an arithmetic number, because the mean of its divisors is an integer number (6762582728557).

Almost surely, 2^{13525165457113} is an apocalyptic number.

It is an amenable number.

13525165457113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525165457113 is an equidigital number, since it uses as much as digits as its factorization.

13525165457113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890000, while the sum is 49.

The spelling of 13525165457113 in words is "thirteen trillion, five hundred twenty-five billion, one hundred sixty-five million, four hundred fifty-seven thousand, one hundred thirteen".