11996631291589 has 16 divisors (see below), whose sum is σ = 13723111653120. Its totient is φ = 10273324320000.

The previous prime is 11996631291563. The next prime is 11996631291703. The reversal of 11996631291589 is 98519213669911.

It is a de Polignac number, because none of the positive numbers 2^k-11996631291589 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 (11996631291889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32798464 + ... + 33162214.

It is an arithmetic number, because the mean of its divisors is an integer number (857694478320).

Almost surely, 2^{11996631291589} is an apocalyptic number.

It is an amenable number.

11996631291589 is a deficient number, since it is larger than the sum of its proper divisors (1726480361531).

11996631291589 is a wasteful number, since it uses less digits than its factorization.

11996631291589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368100.

The product of its digits is 56687040, while the sum is 70.

The spelling of 11996631291589 in words is "eleven trillion, nine hundred ninety-six billion, six hundred thirty-one million, two hundred ninety-one thousand, five hundred eighty-nine".