115515003 has 16 divisors (see below), whose sum is σ = 163134080. Its totient is φ = 72503424.

The previous prime is 115514963. The next prime is 115515019. The reversal of 115515003 is 300515511.

It is not a de Polignac number, because 115515003 - 2⁸ = 115514747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115515053) 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 15 ways as a sum of consecutive naturals, for example, 3075 + ... + 15507.

It is an arithmetic number, because the mean of its divisors is an integer number (10195880).

Almost surely, 2^115515003 is an apocalyptic number.

115515003 is a deficient number, since it is larger than the sum of its proper divisors (47619077).

115515003 is a wasteful number, since it uses less digits than its factorization.

115515003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12618.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 115515003 is about 10747.7906101673. The cubic root of 115515003 is about 487.0192541442.

The spelling of 115515003 in words is "one hundred fifteen million, five hundred fifteen thousand, three".