115112250 has 96 divisors (see below), whose sum is σ = 339633216. Its totient is φ = 27900000.

The previous prime is 115112233. The next prime is 115112251. The reversal of 115112250 is 52211511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115112251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22425 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (3537846).

Almost surely, 2^115112250 is an apocalyptic number.

115112250 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 115112250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169816608).

115112250 is an abundant number, since it is smaller than the sum of its proper divisors (224520966).

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

115112250 is a wasteful number, since it uses less digits than its factorization.

115112250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685 (or 4672 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 115112250 is about 10729.0377014903. The cubic root of 115112250 is about 486.4525835358.

Adding to 115112250 its reverse (52211511), we get a palindrome (167323761).

The spelling of 115112250 in words is "one hundred fifteen million, one hundred twelve thousand, two hundred fifty".