13113491511 has 16 divisors (see below), whose sum is σ = 17538370560. Its totient is φ = 8715507840.

The previous prime is 13113491483. The next prime is 13113491513. The reversal of 13113491511 is 11519431131.

It is not a de Polignac number, because 13113491511 - 2¹⁰ = 13113490487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113491513) 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, 1678831 + ... + 1686623.

It is an arithmetic number, because the mean of its divisors is an integer number (1096148160).

Almost surely, 2^13113491511 is an apocalyptic number.

13113491511 is a deficient number, since it is larger than the sum of its proper divisors (4424879049).

13113491511 is a wasteful number, since it uses less digits than its factorization.

13113491511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446.

The product of its digits is 1620, while the sum is 30.

The spelling of 13113491511 in words is "thirteen billion, one hundred thirteen million, four hundred ninety-one thousand, five hundred eleven".