115553613 has 16 divisors (see below), whose sum is σ = 179676800. Its totient is φ = 66030048.

The previous prime is 115553591. The next prime is 115553639. The reversal of 115553613 is 316355511.

It is not a de Polignac number, because 115553613 - 2¹² = 115549517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115553693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55120 + ... + 57177.

It is an arithmetic number, because the mean of its divisors is an integer number (11229800).

Almost surely, 2^115553613 is an apocalyptic number.

It is an amenable number.

115553613 is a deficient number, since it is larger than the sum of its proper divisors (64123187).

115553613 is an equidigital number, since it uses as much as digits as its factorization.

115553613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112321 (or 112307 counting only the distinct ones).

The product of its digits is 6750, while the sum is 30.

The square root of 115553613 is about 10749.5866432156. The cubic root of 115553613 is about 487.0735089114.

The spelling of 115553613 in words is "one hundred fifteen million, five hundred fifty-three thousand, six hundred thirteen".