115382585 has 4 divisors (see below), whose sum is σ = 138459108. Its totient is φ = 92306064.

The previous prime is 115382563. The next prime is 115382591. The reversal of 115382585 is 585283511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585283511 = 821 ⋅712891.

It can be written as a sum of positive squares in 2 ways, for example, as 29041321 + 86341264 = 5389^2 + 9292^2 .

It is a cyclic number.

It is not a de Polignac number, because 115382585 - 2¹⁸ = 115120441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11538254 + ... + 11538263.

It is an arithmetic number, because the mean of its divisors is an integer number (34614777).

Almost surely, 2^115382585 is an apocalyptic number.

It is an amenable number.

115382585 is a deficient number, since it is larger than the sum of its proper divisors (23076523).

115382585 is an equidigital number, since it uses as much as digits as its factorization.

115382585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23076522.

The product of its digits is 48000, while the sum is 38.

The square root of 115382585 is about 10741.6286009152. The cubic root of 115382585 is about 486.8330885037.

It can be divided in two parts, 1153 and 82585, that added together give a palindrome (83738).

The spelling of 115382585 in words is "one hundred fifteen million, three hundred eighty-two thousand, five hundred eighty-five".