113530015 has 4 divisors (see below), whose sum is σ = 136236024. Its totient is φ = 90824008.

The previous prime is 113530013. The next prime is 113530069. The reversal of 113530015 is 510035311.

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 113530015 - 2¹ = 113530013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113529974 and 113530001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113530013) 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, 11352997 + ... + 11353006.

It is an arithmetic number, because the mean of its divisors is an integer number (34059006).

Almost surely, 2^113530015 is an apocalyptic number.

113530015 is a deficient number, since it is larger than the sum of its proper divisors (22706009).

113530015 is an equidigital number, since it uses as much as digits as its factorization.

113530015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22706008.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 113530015 is about 10655.0464569611. The cubic root of 113530015 is about 484.2135054548.

Adding to 113530015 its reverse (510035311), we get a palindrome (623565326).

The spelling of 113530015 in words is "one hundred thirteen million, five hundred thirty thousand, fifteen".