11982755982 has 32 divisors (see below), whose sum is σ = 24332555520. Its totient is φ = 3933389120.

The previous prime is 11982755959. The next prime is 11982756013. The reversal of 11982755982 is 28955728911.

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, 116194 + ... + 193562.

It is an arithmetic number, because the mean of its divisors is an integer number (760392360).

Almost surely, 2^11982755982 is an apocalyptic number.

11982755982 is an abundant number, since it is smaller than the sum of its proper divisors (12349799538).

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

11982755982 is a wasteful number, since it uses less digits than its factorization.

11982755982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77768.

The product of its digits is 3628800, while the sum is 57.

The spelling of 11982755982 in words is "eleven billion, nine hundred eighty-two million, seven hundred fifty-five thousand, nine hundred eighty-two".