115015105 has 4 divisors (see below), whose sum is σ = 138018132. Its totient is φ = 92012080.

The previous prime is 115015093. The next prime is 115015163. The reversal of 115015105 is 501510511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50566321 + 64448784 = 7111^2 + 8028^2 .

It is a de Polignac number, because none of the positive numbers 2^k-115015105 is a prime.

It is a super-2 number, since 2×115015105² = 26456948756322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11501506 + ... + 11501515.

It is an arithmetic number, because the mean of its divisors is an integer number (34504533).

Almost surely, 2^115015105 is an apocalyptic number.

It is an amenable number.

115015105 is a deficient number, since it is larger than the sum of its proper divisors (23003027).

115015105 is an equidigital number, since it uses as much as digits as its factorization.

115015105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23003026.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 115015105 is about 10724.5095458953. The cubic root of 115015105 is about 486.3157034153.

Adding to 115015105 its reverse (501510511), we get a palindrome (616525616).

It can be divided in two parts, 11 and 5015105, that multiplied together give a palindrome (55166155).

The spelling of 115015105 in words is "one hundred fifteen million, fifteen thousand, one hundred five".