115198880 has 48 divisors (see below), whose sum is σ = 277966080. Its totient is φ = 45096192.

The previous prime is 115198873. The next prime is 115198913. The reversal of 115198880 is 88891511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 15179.

It is an arithmetic number, because the mean of its divisors is an integer number (5790960).

Almost surely, 2^115198880 is an apocalyptic number.

115198880 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 115198880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138983040).

115198880 is an abundant number, since it is smaller than the sum of its proper divisors (162767200).

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

115198880 is a wasteful number, since it uses less digits than its factorization.

115198880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15381 (or 15373 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 41.

The square root of 115198880 is about 10733.0741169527. The cubic root of 115198880 is about 486.5745827736.

The spelling of 115198880 in words is "one hundred fifteen million, one hundred ninety-eight thousand, eight hundred eighty".