111244398720 has 1536 divisors, whose sum is σ = 482532526080. Its totient is φ = 21254897664.

The previous prime is 111244398647. The next prime is 111244398751. The reversal of 111244398720 is 27893442111.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 191 ways as a sum of consecutive naturals, for example, 1660364127 + ... + 1660364193.

It is an arithmetic number, because the mean of its divisors is an integer number (314148780).

Almost surely, 2^111244398720 is an apocalyptic number.

111244398720 is a gapful number since it is divisible by the number (10) 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 111244398720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241266263040).

111244398720 is an abundant number, since it is smaller than the sum of its proper divisors (371288127360).

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

111244398720 is a wasteful number, since it uses less digits than its factorization.

111244398720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 111244398720 in words is "one hundred eleven billion, two hundred forty-four million, three hundred ninety-eight thousand, seven hundred twenty".