111897480 has 64 divisors (see below), whose sum is σ = 336810240. Its totient is φ = 29740032.

The previous prime is 111897463. The next prime is 111897589. The reversal of 111897480 is 84798111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39057 + ... + 41823.

It is an arithmetic number, because the mean of its divisors is an integer number (5262660).

Almost surely, 2^111897480 is an apocalyptic number.

111897480 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 111897480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168405120).

111897480 is an abundant number, since it is smaller than the sum of its proper divisors (224912760).

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

111897480 is a wasteful number, since it uses less digits than its factorization.

111897480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 111897480 is about 10578.1605206198. The cubic root of 111897480 is about 481.8813318740.

The spelling of 111897480 in words is "one hundred eleven million, eight hundred ninety-seven thousand, four hundred eighty".