11090986 has 4 divisors (see below), whose sum is σ = 16636482. Its totient is φ = 5545492.

The previous prime is 11090983. The next prime is 11090999. The reversal of 11090986 is 68909011.

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., 10989225 + 101761 = 3315^2 + 319^2 .

It is not an unprimeable number, because it can be changed into a prime (11090983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772745 + ... + 2772748.

Almost surely, 2^11090986 is an apocalyptic number.

11090986 is a deficient number, since it is larger than the sum of its proper divisors (5545496).

11090986 is an equidigital number, since it uses as much as digits as its factorization.

11090986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545495.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 11090986 is about 3330.3131984845. The cubic root of 11090986 is about 223.0095111470.

Adding to 11090986 its reverse (68909011), we get a palindrome (79999997).

The spelling of 11090986 in words is "eleven million, ninety thousand, nine hundred eighty-six".