11942791199 has 16 divisors (see below), whose sum is σ = 12583931904. Its totient is φ = 11318455200.

The previous prime is 11942791177. The next prime is 11942791207. The reversal of 11942791199 is 99119724911.

It is a happy number.

11942791199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11942791199 - 2⁸ = 11942790943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11942791199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942791099) 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 15 ways as a sum of consecutive naturals, for example, 918554 + ... + 931464.

It is an arithmetic number, because the mean of its divisors is an integer number (786495744).

Almost surely, 2^11942791199 is an apocalyptic number.

11942791199 is a deficient number, since it is larger than the sum of its proper divisors (641140705).

11942791199 is a wasteful number, since it uses less digits than its factorization.

11942791199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13558.

The product of its digits is 367416, while the sum is 53.

The spelling of 11942791199 in words is "eleven billion, nine hundred forty-two million, seven hundred ninety-one thousand, one hundred ninety-nine".