115015000 has 40 divisors (see below), whose sum is σ = 269491860. Its totient is φ = 46004000.

The previous prime is 115014997. The next prime is 115015003. The reversal of 115015000 is 510511.

It is an interprime number because it is at equal distance from previous prime (115014997) and next prime (115015003).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115015003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6502 + ... + 16501.

Almost surely, 2^115015000 is an apocalyptic number.

115015000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115015000 is an abundant number, since it is smaller than the sum of its proper divisors (154476860).

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

115015000 is an equidigital number, since it uses as much as digits as its factorization.

115015000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23029 (or 23010 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 115015000 is about 10724.5046505655. The cubic root of 115015000 is about 486.3155554256.

Adding to 115015000 its reverse (510511), we get a palindrome (115525511).

The spelling of 115015000 in words is "one hundred fifteen million, fifteen thousand".