111899930768640 has 288 divisors, whose sum is σ = 453816386876160. Its totient is φ = 25577126977536.

The previous prime is 111899930768629. The next prime is 111899930768653. The reversal of 111899930768640 is 46867039998111.

111899930768640 is a `hidden beast` number, since 1 + 118 + 9 + 99 + 307 + 6 + 86 + 40 = 666.

111899930768640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 231032739 + ... + 231516578.

It is an arithmetic number, because the mean of its divisors is an integer number (1575751343320).

Almost surely, 2^{111899930768640} is an apocalyptic number.

111899930768640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111899930768640 is an abundant number, since it is smaller than the sum of its proper divisors (341916456107520).

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

111899930768640 is an equidigital number, since it uses as much as digits as its factorization.

111899930768640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462549354 (or 462549334 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 72.

The spelling of 111899930768640 in words is "one hundred eleven trillion, eight hundred ninety-nine billion, nine hundred thirty million, seven hundred sixty-eight thousand, six hundred forty".