11231112239 has 4 divisors (see below), whose sum is σ = 11234905656. Its totient is φ = 11227318824.

The previous prime is 11231112157. The next prime is 11231112241. The reversal of 11231112239 is 93221113211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93221113211 = 119027 ⋅783193.

It is a cyclic number.

It is not a de Polignac number, because 11231112239 - 2¹² = 11231108143 is a prime.

It is a super-2 number, since 2×11231112239² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231112259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892264 + ... + 1898189.

It is an arithmetic number, because the mean of its divisors is an integer number (2808726414).

Almost surely, 2^11231112239 is an apocalyptic number.

11231112239 is a deficient number, since it is larger than the sum of its proper divisors (3793417).

11231112239 is an equidigital number, since it uses as much as digits as its factorization.

11231112239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793416.

The product of its digits is 648, while the sum is 26.

The spelling of 11231112239 in words is "eleven billion, two hundred thirty-one million, one hundred twelve thousand, two hundred thirty-nine".