11321131331982 has 64 divisors (see below), whose sum is σ = 23804970739200. Its totient is φ = 3585581251200.

The previous prime is 11321131331969. The next prime is 11321131332061. The reversal of 11321131331982 is 28913313112311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321131331982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884257 + ... + 4839852.

It is an arithmetic number, because the mean of its divisors is an integer number (371952667800).

Almost surely, 2^{11321131331982} is an apocalyptic number.

11321131331982 is an abundant number, since it is smaller than the sum of its proper divisors (12483839407218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321131331982 is a wasteful number, since it uses less digits than its factorization.

11321131331982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724361.

The product of its digits is 23328, while the sum is 39.

The spelling of 11321131331982 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-one thousand, nine hundred eighty-two".