11099986 has 4 divisors (see below), whose sum is σ = 16649982. Its totient is φ = 5549992.

The previous prime is 11099983. The next prime is 11099993. The reversal of 11099986 is 68999011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68999011 = 23 ⋅2999957.

It can be written as a sum of positive squares in only one way, i.e., 7371225 + 3728761 = 2715^2 + 1931^2 .

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 as a sum of consecutive naturals, namely, 2774995 + ... + 2774998.

Almost surely, 2^11099986 is an apocalyptic number.

11099986 is a deficient number, since it is larger than the sum of its proper divisors (5549996).

11099986 is an equidigital number, since it uses as much as digits as its factorization.

11099986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549995.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 11099986 is about 3331.6641487401. The cubic root of 11099986 is about 223.0698166644.

The spelling of 11099986 in words is "eleven million, ninety-nine thousand, nine hundred eighty-six".