11989433367 has 6 divisors (see below), whose sum is σ = 17318070432. Its totient is φ = 7992955572.

The previous prime is 11989433363. The next prime is 11989433377. The reversal of 11989433367 is 76333498911.

It is a happy number.

11989433367 is a `hidden beast` number, since 1 + 198 + 94 + 3 + 3 + 367 = 666.

It is not a de Polignac number, because 11989433367 - 2² = 11989433363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11989433363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666079623 + ... + 666079640.

It is an arithmetic number, because the mean of its divisors is an integer number (2886345072).

Almost surely, 2^11989433367 is an apocalyptic number.

11989433367 is a deficient number, since it is larger than the sum of its proper divisors (5328637065).

11989433367 is a wasteful number, since it uses less digits than its factorization.

11989433367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332159269 (or 1332159266 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 11989433367 in words is "eleven billion, nine hundred eighty-nine million, four hundred thirty-three thousand, three hundred sixty-seven".