11231908933 has 16 divisors (see below), whose sum is σ = 13254451200. Its totient is φ = 9314046000.

The previous prime is 11231908927. The next prime is 11231909021. The reversal of 11231908933 is 33980913211.

11231908933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11231908933 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 (11231908903) 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, 1101408 + ... + 1111558.

It is an arithmetic number, because the mean of its divisors is an integer number (828403200).

Almost surely, 2^11231908933 is an apocalyptic number.

It is an amenable number.

11231908933 is a deficient number, since it is larger than the sum of its proper divisors (2022542267).

11231908933 is a wasteful number, since it uses less digits than its factorization.

11231908933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 11231908933 in words is "eleven billion, two hundred thirty-one million, nine hundred eight thousand, nine hundred thirty-three".