115355880 has 256 divisors, whose sum is σ = 417830400. Its totient is φ = 28200960.

The previous prime is 115355873. The next prime is 115355887. The reversal of 115355880 is 88553511.

It is an interprime number because it is at equal distance from previous prime (115355873) and next prime (115355887).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (115355887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1119909 + ... + 1120011.

It is an arithmetic number, because the mean of its divisors is an integer number (1632150).

Almost surely, 2^115355880 is an apocalyptic number.

115355880 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 115355880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208915200).

115355880 is an abundant number, since it is smaller than the sum of its proper divisors (302474520).

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

115355880 is a wasteful number, since it uses less digits than its factorization.

115355880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 115355880 is about 10740.3854679429. The cubic root of 115355880 is about 486.7955268539.

The spelling of 115355880 in words is "one hundred fifteen million, three hundred fifty-five thousand, eight hundred eighty".