11982986960 has 40 divisors (see below), whose sum is σ = 31840509696. Its totient is φ = 4108452480.

The previous prime is 11982986957. The next prime is 11982986987. The reversal of 11982986960 is 6968928911.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 11982986960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10698536 + ... + 10699655.

Almost surely, 2^11982986960 is an apocalyptic number.

11982986960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11982986960 is an abundant number, since it is smaller than the sum of its proper divisors (19857522736).

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

11982986960 is a wasteful number, since it uses less digits than its factorization.

11982986960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21398211 (or 21398205 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 59.

The spelling of 11982986960 in words is "eleven billion, nine hundred eighty-two million, nine hundred eighty-six thousand, nine hundred sixty".