115320218 has 16 divisors (see below), whose sum is σ = 187436256. Its totient is φ = 52896240.

The previous prime is 115320169. The next prime is 115320239. The reversal of 115320218 is 812023511.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115320193 and 115320202.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9368 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (11714766).

Almost surely, 2^115320218 is an apocalyptic number.

115320218 is a deficient number, since it is larger than the sum of its proper divisors (72116038).

115320218 is a wasteful number, since it uses less digits than its factorization.

115320218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27389.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 115320218 is about 10738.7251571125. The cubic root of 115320218 is about 486.7453577848.

Adding to 115320218 its reverse (812023511), we get a palindrome (927343729).

The spelling of 115320218 in words is "one hundred fifteen million, three hundred twenty thousand, two hundred eighteen".