11086661 has 4 divisors (see below), whose sum is σ = 11171424. Its totient is φ = 11001900.

The previous prime is 11086657. The next prime is 11086681. The reversal of 11086661 is 16668011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11086661 - 2² = 11086657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11086651) 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 in 3 ways as a sum of consecutive naturals, for example, 42185 + ... + 42446.

It is an arithmetic number, because the mean of its divisors is an integer number (2792856).

Almost surely, 2^11086661 is an apocalyptic number.

It is an amenable number.

11086661 is a deficient number, since it is larger than the sum of its proper divisors (84763).

11086661 is an equidigital number, since it uses as much as digits as its factorization.

11086661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84762.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11086661 is about 3329.6637968420. The cubic root of 11086661 is about 222.9805193893.

The spelling of 11086661 in words is "eleven million, eighty-six thousand, six hundred sixty-one".