111299889024 has 160 divisors (see below), whose sum is σ = 348660265800. Its totient is φ = 35147271168.

The previous prime is 111299889011. The next prime is 111299889037. The reversal of 111299889024 is 420988992111.

It is an interprime number because it is at equal distance from previous prime (111299889011) and next prime (111299889037).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85507 + ... + 479490.

Almost surely, 2^111299889024 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 111299889024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174330132900).

111299889024 is an abundant number, since it is smaller than the sum of its proper divisors (237360376776).

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

111299889024 is an equidigital number, since it uses as much as digits as its factorization.

111299889024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565042 (or 565021 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 111299889024 in words is "one hundred eleven billion, two hundred ninety-nine million, eight hundred eighty-nine thousand, twenty-four".