115015 has 4 divisors (see below), whose sum is σ = 138024. Its totient is φ = 92008.

The previous prime is 115013. The next prime is 115019. The reversal of 115015 is 510511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115015 - 2¹ = 115013 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 114986 and 115004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11497 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (34506).

2¹¹⁵⁰¹⁵ is an apocalyptic number.

115015 is a deficient number, since it is larger than the sum of its proper divisors (23009).

115015 is an equidigital number, since it uses as much as digits as its factorization.

115015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23008.

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

The square root of 115015 is about 339.1386147286. The cubic root of 115015 is about 48.6315555426.

Adding to 115015 its reverse (510511), we get a palindrome (625526).

The spelling of 115015 in words is "one hundred fifteen thousand, fifteen".