115500250 has 64 divisors (see below), whose sum is σ = 230480640. Its totient is φ = 43243200.

The previous prime is 115500247. The next prime is 115500257. The reversal of 115500250 is 52005511.

It is not an unprimeable number, because it can be changed into a prime (115500257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304561 + ... + 304939.

It is an arithmetic number, because the mean of its divisors is an integer number (3601260).

Almost surely, 2^115500250 is an apocalyptic number.

115500250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115500250 is a deficient number, since it is larger than the sum of its proper divisors (114980390).

115500250 is a wasteful number, since it uses less digits than its factorization.

115500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 115500250 is about 10747.1042611487. The cubic root of 115500250 is about 486.9985200382.

Adding to 115500250 its reverse (52005511), we get a palindrome (167505761).

The spelling of 115500250 in words is "one hundred fifteen million, five hundred thousand, two hundred fifty".