115042505 has 8 divisors (see below), whose sum is σ = 138108672. Its totient is φ = 91995568.

The previous prime is 115042483. The next prime is 115042513. The reversal of 115042505 is 505240511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115042505 - 2¹² = 115038409 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20072 + ... + 25158.

It is an arithmetic number, because the mean of its divisors is an integer number (17263584).

Almost surely, 2^115042505 is an apocalyptic number.

It is an amenable number.

115042505 is a deficient number, since it is larger than the sum of its proper divisors (23066167).

115042505 is an equidigital number, since it uses as much as digits as its factorization.

115042505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 115042505 is about 10725.7869175180. The cubic root of 115042505 is about 486.3543186107.

The spelling of 115042505 in words is "one hundred fifteen million, forty-two thousand, five hundred five".