111490898688 has 360 divisors, whose sum is σ = 363420853488. Its totient is φ = 33787404288.

The previous prime is 111490898677. The next prime is 111490898699. The reversal of 111490898688 is 886898094111.

111490898688 is a `hidden beast` number, since 1 + 1 + 1 + 490 + 89 + 8 + 68 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (111490898677) and next prime (111490898699).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18057970 + ... + 18064142.

Almost surely, 2^111490898688 is an apocalyptic number.

111490898688 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 111490898688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181710426744).

111490898688 is an abundant number, since it is smaller than the sum of its proper divisors (251929954800).

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

111490898688 is an equidigital number, since it uses as much as digits as its factorization.

111490898688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281 (or 6258 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 63.

The spelling of 111490898688 in words is "one hundred eleven billion, four hundred ninety million, eight hundred ninety-eight thousand, six hundred eighty-eight".