13111113111199 has 4 divisors (see below), whose sum is σ = 13150723725160. Its totient is φ = 13071502497240.

The previous prime is 13111113111193. The next prime is 13111113111221. The reversal of 13111113111199 is 99111131111131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13111113111199 - 2⁵ = 13111113111167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111113111193) 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, 19805306484 + ... + 19805307145.

It is an arithmetic number, because the mean of its divisors is an integer number (3287680931290).

Almost surely, 2^{13111113111199} is an apocalyptic number.

13111113111199 is a deficient number, since it is larger than the sum of its proper divisors (39610613961).

13111113111199 is an equidigital number, since it uses as much as digits as its factorization.

13111113111199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39610613960.

The product of its digits is 729, while the sum is 34.

The spelling of 13111113111199 in words is "thirteen trillion, one hundred eleven billion, one hundred thirteen million, one hundred eleven thousand, one hundred ninety-nine".