11881932238 has 16 divisors (see below), whose sum is σ = 19772709120. Its totient is φ = 5309337400.

The previous prime is 11881932233. The next prime is 11881932299. The reversal of 11881932238 is 83223918811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881932233) 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 7 ways as a sum of consecutive naturals, for example, 4575718 + ... + 4578313.

It is an arithmetic number, because the mean of its divisors is an integer number (1235794320).

Almost surely, 2^11881932238 is an apocalyptic number.

11881932238 is a deficient number, since it is larger than the sum of its proper divisors (7890776882).

11881932238 is a wasteful number, since it uses less digits than its factorization.

11881932238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154103.

The product of its digits is 165888, while the sum is 46.

The spelling of 11881932238 in words is "eleven billion, eight hundred eighty-one million, nine hundred thirty-two thousand, two hundred thirty-eight".