13113526603 has 4 divisors (see below), whose sum is σ = 13113757360. Its totient is φ = 13113295848.

The previous prime is 13113526549. The next prime is 13113526607. The reversal of 13113526603 is 30662531131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13113526603 - 2⁹ = 13113526091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113526607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36553 + ... + 166021.

It is an arithmetic number, because the mean of its divisors is an integer number (3278439340).

Almost surely, 2^13113526603 is an apocalyptic number.

13113526603 is a deficient number, since it is larger than the sum of its proper divisors (230757).

13113526603 is a wasteful number, since it uses less digits than its factorization.

13113526603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230756.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 13113526603 in words is "thirteen billion, one hundred thirteen million, five hundred twenty-six thousand, six hundred three".