111013193280 has 448 divisors, whose sum is σ = 408293498880. Its totient is φ = 25256755200.

The previous prime is 111013193261. The next prime is 111013193329. The reversal of 111013193280 is 82391310111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85989435 + ... + 85990725.

Almost surely, 2^111013193280 is an apocalyptic number.

111013193280 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 111013193280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204146749440).

111013193280 is an abundant number, since it is smaller than the sum of its proper divisors (297280305600).

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

111013193280 is a wasteful number, since it uses less digits than its factorization.

111013193280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 111013193280 in words is "one hundred eleven billion, thirteen million, one hundred ninety-three thousand, two hundred eighty".