13113526513 has 2 divisors, whose sum is σ = 13113526514. Its totient is φ = 13113526512.

The previous prime is 13113526483. The next prime is 13113526549. The reversal of 13113526513 is 31562531131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12952033249 + 161493264 = 113807^2 + 12708^2 .

It is a cyclic number.

It is not a de Polignac number, because 13113526513 - 2³³ = 4523591921 is a prime.

It is not a weakly prime, because it can be changed into another prime (13113526213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556763256 + 6556763257.

It is an arithmetic number, because the mean of its divisors is an integer number (6556763257).

Almost surely, 2^13113526513 is an apocalyptic number.

It is an amenable number.

13113526513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113526513 is an equidigital number, since it uses as much as digits as its factorization.

13113526513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The spelling of 13113526513 in words is "thirteen billion, one hundred thirteen million, five hundred twenty-six thousand, five hundred thirteen".