11989152439 has 8 divisors (see below), whose sum is σ = 13432564368. Its totient is φ = 10604655360.

The previous prime is 11989152433. The next prime is 11989152467. The reversal of 11989152439 is 93425198911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11989152439 - 2¹³ = 11989144247 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 (11989152433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14728282 + ... + 14729095.

It is an arithmetic number, because the mean of its divisors is an integer number (1679070546).

Almost surely, 2^11989152439 is an apocalyptic number.

11989152439 is a deficient number, since it is larger than the sum of its proper divisors (1443411929).

11989152439 is a wasteful number, since it uses less digits than its factorization.

11989152439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29457425.

The product of its digits is 699840, while the sum is 52.

The spelling of 11989152439 in words is "eleven billion, nine hundred eighty-nine million, one hundred fifty-two thousand, four hundred thirty-nine".