115526220 has 96 divisors (see below), whose sum is σ = 349126848. Its totient is φ = 28434432.

The previous prime is 115526207. The next prime is 115526221. The reversal of 115526220 is 22625511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115526221) 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, 52992 + ... + 55128.

It is an arithmetic number, because the mean of its divisors is an integer number (3636738).

Almost surely, 2^115526220 is an apocalyptic number.

115526220 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 115526220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174563424).

115526220 is an abundant number, since it is smaller than the sum of its proper divisors (233600628).

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

115526220 is a wasteful number, since it uses less digits than its factorization.

115526220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 115526220 is about 10748.3124256787. The cubic root of 115526220 is about 487.0350175170.

The spelling of 115526220 in words is "one hundred fifteen million, five hundred twenty-six thousand, two hundred twenty".