115225500 has 192 divisors, whose sum is σ = 381588480. Its totient is φ = 26784000.

The previous prime is 115225499. The next prime is 115225501. The reversal of 115225500 is 5522511.

It is an interprime number because it is at equal distance from previous prime (115225499) and next prime (115225501).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115225501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370345 + ... + 370655.

It is an arithmetic number, because the mean of its divisors is an integer number (1987440).

Almost surely, 2^115225500 is an apocalyptic number.

115225500 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 115225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190794240).

115225500 is an abundant number, since it is smaller than the sum of its proper divisors (266362980).

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

115225500 is a wasteful number, since it uses less digits than its factorization.

115225500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 115225500 is about 10734.3141373820. The cubic root of 115225500 is about 486.6120588840.

The spelling of 115225500 in words is "one hundred fifteen million, two hundred twenty-five thousand, five hundred".