113530515 has 16 divisors (see below), whose sum is σ = 207598848. Its totient is φ = 51899616.

The previous prime is 113530511. The next prime is 113530523. The reversal of 113530515 is 515035311.

It is not a de Polignac number, because 113530515 - 2² = 113530511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113530511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540517 + ... + 540726.

It is an arithmetic number, because the mean of its divisors is an integer number (12974928).

Almost surely, 2^113530515 is an apocalyptic number.

113530515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113530515 is a deficient number, since it is larger than the sum of its proper divisors (94068333).

113530515 is a wasteful number, since it uses less digits than its factorization.

113530515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081258.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 113530515 is about 10655.0699199958. The cubic root of 113530515 is about 484.2142162988.

Adding to 113530515 its reverse (515035311), we get a palindrome (628565826).

The spelling of 113530515 in words is "one hundred thirteen million, five hundred thirty thousand, five hundred fifteen".