11099985 has 16 divisors (see below), whose sum is σ = 19126464. Its totient is φ = 5464512.

The previous prime is 11099983. The next prime is 11099993. The reversal of 11099985 is 58999011.

It is not a de Polignac number, because 11099985 - 2¹ = 11099983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11099983) 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 15 ways as a sum of consecutive naturals, for example, 28267 + ... + 28656.

It is an arithmetic number, because the mean of its divisors is an integer number (1195404).

Almost surely, 2^11099985 is an apocalyptic number.

11099985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11099985 is a deficient number, since it is larger than the sum of its proper divisors (8026479).

11099985 is a wasteful number, since it uses less digits than its factorization.

11099985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56944.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 11099985 is about 3331.6639986649. The cubic root of 11099985 is about 223.0698099656.

The spelling of 11099985 in words is "eleven million, ninety-nine thousand, nine hundred eighty-five".