108915009 has 16 divisors (see below), whose sum is σ = 168069120. Its totient is φ = 61448400.

The previous prime is 108914989. The next prime is 108915019. The reversal of 108915009 is 900519801.

It is not a de Polignac number, because 108915009 - 2⁸ = 108914753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108915019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31167 + ... + 34484.

It is an arithmetic number, because the mean of its divisors is an integer number (10504320).

Almost surely, 2^108915009 is an apocalyptic number.

It is an amenable number.

108915009 is a deficient number, since it is larger than the sum of its proper divisors (59154111).

108915009 is an equidigital number, since it uses as much as digits as its factorization.

108915009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65740.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 108915009 is about 10436.2353844669. The cubic root of 108915009 is about 477.5614299228.

The spelling of 108915009 in words is "one hundred eight million, nine hundred fifteen thousand, nine".