115533330 has 64 divisors (see below), whose sum is σ = 306809856. Its totient is φ = 27608000.

The previous prime is 115533307. The next prime is 115533337. The reversal of 115533330 is 33335511.

It is a self number, because there is not a number n which added to its sum of digits gives 115533330.

It is not an unprimeable number, because it can be changed into a prime (115533337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20965 + ... + 25895.

It is an arithmetic number, because the mean of its divisors is an integer number (4793904).

Almost surely, 2^115533330 is an apocalyptic number.

115533330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115533330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153404928).

115533330 is an abundant number, since it is smaller than the sum of its proper divisors (191276526).

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

115533330 is a wasteful number, since it uses less digits than its factorization.

115533330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 115533330 is about 10748.6431701866. The cubic root of 115533330 is about 487.0450087494.

Adding to 115533330 its reverse (33335511), we get a palindrome (148868841).

The spelling of 115533330 in words is "one hundred fifteen million, five hundred thirty-three thousand, three hundred thirty".