11771069 has 4 divisors (see below), whose sum is σ = 12089244. Its totient is φ = 11452896.

The previous prime is 11771063. The next prime is 11771077. The reversal of 11771069 is 96017711.

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 9703225 + 2067844 = 3115^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 11771069 - 2²⁰ = 10722493 is a prime.

It is a super-2 number, since 2×11771069² = 277116130805522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11771063) 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, 159032 + ... + 159105.

It is an arithmetic number, because the mean of its divisors is an integer number (3022311).

Almost surely, 2^11771069 is an apocalyptic number.

It is an amenable number.

11771069 is a deficient number, since it is larger than the sum of its proper divisors (318175).

11771069 is an equidigital number, since it uses as much as digits as its factorization.

11771069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318174.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 11771069 is about 3430.8991532833. The cubic root of 11771069 is about 227.4775987281.

The spelling of 11771069 in words is "eleven million, seven hundred seventy-one thousand, sixty-nine".