11099138 has 4 divisors (see below), whose sum is σ = 16648710. Its totient is φ = 5549568.

The previous prime is 11099129. The next prime is 11099171. The reversal of 11099138 is 83199011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 4092529 = 2647^2 + 2023^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774783 + ... + 2774786.

Almost surely, 2^11099138 is an apocalyptic number.

11099138 is a deficient number, since it is larger than the sum of its proper divisors (5549572).

11099138 is an equidigital number, since it uses as much as digits as its factorization.

11099138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549571.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 11099138 is about 3331.5368825814. The cubic root of 11099138 is about 223.0641359358.

The spelling of 11099138 in words is "eleven million, ninety-nine thousand, one hundred thirty-eight".