115117115 has 16 divisors (see below), whose sum is σ = 147251520. Its totient is φ = 86092800.

The previous prime is 115117111. The next prime is 115117129. The reversal of 115117115 is 511711511.

It is not a de Polignac number, because 115117115 - 2² = 115117111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115117111) 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, 8351 + ... + 17319.

It is an arithmetic number, because the mean of its divisors is an integer number (9203220).

Almost surely, 2^115117115 is an apocalyptic number.

115117115 is a deficient number, since it is larger than the sum of its proper divisors (32134405).

115117115 is a wasteful number, since it uses less digits than its factorization.

115117115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142.

The product of its digits is 175, while the sum is 23.

The square root of 115117115 is about 10729.2644202667. The cubic root of 115117115 is about 486.4594364365.

Adding to 115117115 its reverse (511711511), we get a palindrome (626828626).

It can be divided in two parts, 11 and 5117115, that multiplied together give a palindrome (56288265).

The spelling of 115117115 in words is "one hundred fifteen million, one hundred seventeen thousand, one hundred fifteen".