115845505 has 8 divisors (see below), whose sum is σ = 139204224. Its totient is φ = 92550000.

The previous prime is 115845487. The next prime is 115845551. The reversal of 115845505 is 505548511.

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

It is not a de Polignac number, because 115845505 - 2¹⁵ = 115812737 is a prime.

It is a Duffinian number.

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, 11671 + ... + 19180.

It is an arithmetic number, because the mean of its divisors is an integer number (17400528).

Almost surely, 2^115845505 is an apocalyptic number.

It is an amenable number.

115845505 is a deficient number, since it is larger than the sum of its proper divisors (23358719).

115845505 is an equidigital number, since it uses as much as digits as its factorization.

115845505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31607.

The product of its (nonzero) digits is 20000, while the sum is 34.

The square root of 115845505 is about 10763.1549742629. The cubic root of 115845505 is about 487.4832849846.

The spelling of 115845505 in words is "one hundred fifteen million, eight hundred forty-five thousand, five hundred five".