11989210824 has 96 divisors (see below), whose sum is σ = 34907184000. Its totient is φ = 3705492096.

The previous prime is 11989210819. The next prime is 11989210837. The reversal of 11989210824 is 42801298911.

11989210824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11989210824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28939 + ... + 157530.

It is an arithmetic number, because the mean of its divisors is an integer number (363616500).

Almost surely, 2^11989210824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11989210824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17453592000).

11989210824 is an abundant number, since it is smaller than the sum of its proper divisors (22917973176).

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

11989210824 is a wasteful number, since it uses less digits than its factorization.

11989210824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186547 (or 186540 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 11989210824 in words is "eleven billion, nine hundred eighty-nine million, two hundred ten thousand, eight hundred twenty-four".