115105415 has 4 divisors (see below), whose sum is σ = 138126504. Its totient is φ = 92084328.

The previous prime is 115105399. The next prime is 115105421. The reversal of 115105415 is 514501511.

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 115105415 - 2⁴ = 115105399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11510537 + ... + 11510546.

It is an arithmetic number, because the mean of its divisors is an integer number (34531626).

Almost surely, 2^115105415 is an apocalyptic number.

115105415 is a deficient number, since it is larger than the sum of its proper divisors (23021089).

115105415 is an equidigital number, since it uses as much as digits as its factorization.

115105415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23021088.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 115105415 is about 10728.7191686613. The cubic root of 115105415 is about 486.4429553418.

Adding to 115105415 its reverse (514501511), we get a palindrome (629606926).

The spelling of 115105415 in words is "one hundred fifteen million, one hundred five thousand, four hundred fifteen".