11099918 has 8 divisors (see below), whose sum is σ = 16671312. Its totient is φ = 5542816.

The previous prime is 11099917. The next prime is 11099923. The reversal of 11099918 is 81999011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099911) by changing a digit.

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, 1355 + ... + 4902.

It is an arithmetic number, because the mean of its divisors is an integer number (2083914).

Almost surely, 2^11099918 is an apocalyptic number.

11099918 is a deficient number, since it is larger than the sum of its proper divisors (5571394).

11099918 is an equidigital number, since it uses as much as digits as its factorization.

11099918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 11099918 is about 3331.6539436142. The cubic root of 11099918 is about 223.0693611449.

The spelling of 11099918 in words is "eleven million, ninety-nine thousand, nine hundred eighteen".