115613155 has 16 divisors (see below), whose sum is σ = 161245440. Its totient is φ = 77932512.

The previous prime is 115613131. The next prime is 115613159. The reversal of 115613155 is 551316511.

It is not a de Polignac number, because 115613155 - 2⁷ = 115613027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115613159) 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, 25929 + ... + 30058.

It is an arithmetic number, because the mean of its divisors is an integer number (10077840).

Almost surely, 2^115613155 is an apocalyptic number.

115613155 is a deficient number, since it is larger than the sum of its proper divisors (45632285).

115613155 is an equidigital number, since it uses as much as digits as its factorization.

115613155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56058.

The product of its digits is 2250, while the sum is 28.

The square root of 115613155 is about 10752.3557883842. The cubic root of 115613155 is about 487.1571536379.

Adding to 115613155 its reverse (551316511), we get a palindrome (666929666).

The spelling of 115613155 in words is "one hundred fifteen million, six hundred thirteen thousand, one hundred fifty-five".