11080649 has 4 divisors (see below), whose sum is σ = 11380164. Its totient is φ = 10781136.

The previous prime is 11080633. The next prime is 11080669. The reversal of 11080649 is 94608011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9030025 + 2050624 = 3005^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 11080649 - 2⁴ = 11080633 is a prime.

It is a super-2 number, since 2×11080649² = 245561564522402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11080669) 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, 149702 + ... + 149775.

It is an arithmetic number, because the mean of its divisors is an integer number (2845041).

Almost surely, 2^11080649 is an apocalyptic number.

It is an amenable number.

11080649 is a deficient number, since it is larger than the sum of its proper divisors (299515).

11080649 is an equidigital number, since it uses as much as digits as its factorization.

11080649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299514.

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

The square root of 11080649 is about 3328.7608805680. The cubic root of 11080649 is about 222.9402066425.

The spelling of 11080649 in words is "eleven million, eighty thousand, six hundred forty-nine".