13111844975 has 12 divisors (see below), whose sum is σ = 16604618784. Its totient is φ = 10266294720.

The previous prime is 13111844929. The next prime is 13111845001. The reversal of 13111844975 is 57944811131.

13111844975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13111844975 - 2⁸ = 13111844719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5578334 + ... + 5580683.

It is an arithmetic number, because the mean of its divisors is an integer number (1383718232).

Almost surely, 2^13111844975 is an apocalyptic number.

13111844975 is a deficient number, since it is larger than the sum of its proper divisors (3492773809).

13111844975 is a wasteful number, since it uses less digits than its factorization.

13111844975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159074 (or 11159069 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The spelling of 13111844975 in words is "thirteen billion, one hundred eleven million, eight hundred forty-four thousand, nine hundred seventy-five".