13111011113 has 4 divisors (see below), whose sum is σ = 13191446928. Its totient is φ = 13030575300.

The previous prime is 13111011073. The next prime is 13111011127. The reversal of 13111011113 is 31111011131.

13111011113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13111011113 - 2¹⁶ = 13110945577 is a prime.

It is a super-2 number, since 2×13111011113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111011713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40217663 + ... + 40217988.

It is an arithmetic number, because the mean of its divisors is an integer number (3297861732).

Almost surely, 2^13111011113 is an apocalyptic number.

It is an amenable number.

13111011113 is a deficient number, since it is larger than the sum of its proper divisors (80435815).

13111011113 is an equidigital number, since it uses as much as digits as its factorization.

13111011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80435814.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 13111011113 its reverse (31111011131), we get a palindrome (44222022244).

The spelling of 13111011113 in words is "thirteen billion, one hundred eleven million, eleven thousand, one hundred thirteen".