11956536531982 has 32 divisors (see below), whose sum is σ = 21388762847232. Its totient is φ = 4901283186624.

The previous prime is 11956536531977. The next prime is 11956536532181. The reversal of 11956536531982 is 28913563565911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9966043 + ... + 11101129.

It is an arithmetic number, because the mean of its divisors is an integer number (668398838976).

Almost surely, 2^{11956536531982} is an apocalyptic number.

11956536531982 is a deficient number, since it is larger than the sum of its proper divisors (9432226315250).

11956536531982 is a wasteful number, since it uses less digits than its factorization.

11956536531982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167832.

The product of its digits is 52488000, while the sum is 64.

The spelling of 11956536531982 in words is "eleven trillion, nine hundred fifty-six billion, five hundred thirty-six million, five hundred thirty-one thousand, nine hundred eighty-two".