13526125613 has 16 divisors (see below), whose sum is σ = 18160953216. Its totient is φ = 9729080640.

The previous prime is 13526125603. The next prime is 13526125621. The reversal of 13526125613 is 31652162531.

It is a cyclic number.

It is not a de Polignac number, because 13526125613 - 2⁶ = 13526125549 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13526125603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6755306 + ... + 6757307.

It is an arithmetic number, because the mean of its divisors is an integer number (1135059576).

Almost surely, 2^13526125613 is an apocalyptic number.

13526125613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13526125613 is a deficient number, since it is larger than the sum of its proper divisors (4634827603).

13526125613 is a wasteful number, since it uses less digits than its factorization.

13526125613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512644.

The product of its digits is 32400, while the sum is 35.

The spelling of 13526125613 in words is "thirteen billion, five hundred twenty-six million, one hundred twenty-five thousand, six hundred thirteen".