115489515 has 16 divisors (see below), whose sum is σ = 186861600. Its totient is φ = 60901632.

The previous prime is 115489459. The next prime is 115489537. The reversal of 115489515 is 515984511.

It is a happy number.

It is not a de Polignac number, because 115489515 - 2¹¹ = 115487467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41920 + ... + 44589.

It is an arithmetic number, because the mean of its divisors is an integer number (11678850).

Almost surely, 2^115489515 is an apocalyptic number.

115489515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115489515 is a deficient number, since it is larger than the sum of its proper divisors (71372085).

115489515 is an equidigital number, since it uses as much as digits as its factorization.

115489515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86606.

The product of its digits is 36000, while the sum is 39.

The square root of 115489515 is about 10746.6048126839. The cubic root of 115489515 is about 486.9834317849.

The spelling of 115489515 in words is "one hundred fifteen million, four hundred eighty-nine thousand, five hundred fifteen".