11081669 has 4 divisors (see below), whose sum is σ = 11185344. Its totient is φ = 10977996.

The previous prime is 11081647. The next prime is 11081689. The reversal of 11081669 is 96618011.

11081669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11081669 - 2¹⁶ = 11016133 is a prime.

It is a super-2 number, since 2×11081669² = 245606775651122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51677 + ... + 51890.

It is an arithmetic number, because the mean of its divisors is an integer number (2796336).

Almost surely, 2^11081669 is an apocalyptic number.

It is an amenable number.

11081669 is a deficient number, since it is larger than the sum of its proper divisors (103675).

11081669 is a wasteful number, since it uses less digits than its factorization.

11081669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103674.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11081669 is about 3328.9140872062. The cubic root of 11081669 is about 222.9470471574.

The spelling of 11081669 in words is "eleven million, eighty-one thousand, six hundred sixty-nine".