115000505 has 4 divisors (see below), whose sum is σ = 138000612. Its totient is φ = 92000400.

The previous prime is 115000489. The next prime is 115000507. The reversal of 115000505 is 505000511.

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 63792169 + 51208336 = 7987^2 + 7156^2 .

It is not a de Polignac number, because 115000505 - 2⁴ = 115000489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115000507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11500046 + ... + 11500055.

It is an arithmetic number, because the mean of its divisors is an integer number (34500153).

Almost surely, 2^115000505 is an apocalyptic number.

It is an amenable number.

115000505 is a deficient number, since it is larger than the sum of its proper divisors (23000107).

115000505 is an equidigital number, since it uses as much as digits as its factorization.

115000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23000106.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 115000505 is about 10723.8288404842. The cubic root of 115000505 is about 486.2951249306.

The spelling of 115000505 in words is "one hundred fifteen million, five hundred five", and thus it is an aban number.