115331505 has 16 divisors (see below), whose sum is σ = 185328000. Its totient is φ = 61244288.

The previous prime is 115331449. The next prime is 115331509. The reversal of 115331505 is 505133511.

It is a cyclic number.

It is not a de Polignac number, because 115331505 - 2¹¹ = 115329457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115331509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13005 + ... + 19994.

It is an arithmetic number, because the mean of its divisors is an integer number (11583000).

Almost surely, 2^115331505 is an apocalyptic number.

115331505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115331505 is a deficient number, since it is larger than the sum of its proper divisors (69996495).

115331505 is a wasteful number, since it uses less digits than its factorization.

115331505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33240.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 115331505 is about 10739.2506721838. The cubic root of 115331505 is about 486.7612373814.

The spelling of 115331505 in words is "one hundred fifteen million, three hundred thirty-one thousand, five hundred five".