115285215 has 8 divisors (see below), whose sum is σ = 184456368. Its totient is φ = 61485440.

The previous prime is 115285213. The next prime is 115285231. The reversal of 115285215 is 512582511.

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

It is not a de Polignac number, because 115285215 - 2¹ = 115285213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115285213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3842826 + ... + 3842855.

It is an arithmetic number, because the mean of its divisors is an integer number (23057046).

Almost surely, 2^115285215 is an apocalyptic number.

115285215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115285215 is a deficient number, since it is larger than the sum of its proper divisors (69171153).

115285215 is an equidigital number, since it uses as much as digits as its factorization.

115285215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685689.

The product of its digits is 4000, while the sum is 30.

The square root of 115285215 is about 10737.0952775879. The cubic root of 115285215 is about 486.6961057336.

The spelling of 115285215 in words is "one hundred fifteen million, two hundred eighty-five thousand, two hundred fifteen".