12534641526013 has 2 divisors, whose sum is σ = 12534641526014. Its totient is φ = 12534641526012.

The previous prime is 12534641525981. The next prime is 12534641526019. The reversal of 12534641526013 is 31062514643521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12103009607844 + 431631918169 = 3478938^2 + 656987^2 .

It is a cyclic number.

It is not a de Polignac number, because 12534641526013 - 2⁵ = 12534641525981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12534641526019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267320763006 + 6267320763007.

It is an arithmetic number, because the mean of its divisors is an integer number (6267320763007).

Almost surely, 2^{12534641526013} is an apocalyptic number.

It is an amenable number.

12534641526013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12534641526013 is an equidigital number, since it uses as much as digits as its factorization.

12534641526013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 12534641526013 in words is "twelve trillion, five hundred thirty-four billion, six hundred forty-one million, five hundred twenty-six thousand, thirteen".