11984881068 has 96 divisors (see below), whose sum is σ = 32928235200. Its totient is φ = 3756699648.

The previous prime is 11984881063. The next prime is 11984881081. The reversal of 11984881068 is 86018848911.

It is a happy number.

11984881068 is a `hidden beast` number, since 1 + 1 + 98 + 488 + 10 + 68 = 666.

11984881068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (11984881063) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2952096 + ... + 2956152.

It is an arithmetic number, because the mean of its divisors is an integer number (343002450).

Almost surely, 2^11984881068 is an apocalyptic number.

11984881068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11984881068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16464117600).

11984881068 is an abundant number, since it is smaller than the sum of its proper divisors (20943354132).

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

11984881068 is a wasteful number, since it uses less digits than its factorization.

11984881068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 54.

The spelling of 11984881068 in words is "eleven billion, nine hundred eighty-four million, eight hundred eighty-one thousand, sixty-eight".