115100115 has 32 divisors (see below), whose sum is σ = 209998656. Its totient is φ = 53329920.

The previous prime is 115100087. The next prime is 115100147. The reversal of 115100115 is 511001511.

It is not a de Polignac number, because 115100115 - 2¹⁰ = 115099091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 115100094 and 115100103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14046 + ... + 20675.

It is an arithmetic number, because the mean of its divisors is an integer number (6562458).

Almost surely, 2^115100115 is an apocalyptic number.

115100115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115100115 is a deficient number, since it is larger than the sum of its proper divisors (94898541).

115100115 is a wasteful number, since it uses less digits than its factorization.

115100115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34759.

The product of its (nonzero) digits is 25, while the sum is 15.

The square root of 115100115 is about 10728.4721652246. The cubic root of 115100115 is about 486.4354891792.

Adding to 115100115 its reverse (511001511), we get a palindrome (626101626).

The spelling of 115100115 in words is "one hundred fifteen million, one hundred thousand, one hundred fifteen".