11609069 has 2 divisors, whose sum is σ = 11609070. Its totient is φ = 11609068.

The previous prime is 11609053. The next prime is 11609107. The reversal of 11609069 is 96090611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 5004169 = 2570^2 + 2237^2 .

It is an emirp because it is prime and its reverse (96090611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11609069 - 2⁴ = 11609053 is a prime.

It is a super-2 number, since 2×11609069² = 269540966093522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11609029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5804534 + 5804535.

It is an arithmetic number, because the mean of its divisors is an integer number (5804535).

Almost surely, 2^11609069 is an apocalyptic number.

It is an amenable number.

11609069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11609069 is an equidigital number, since it uses as much as digits as its factorization.

11609069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 11609069 is about 3407.2083881090. The cubic root of 11609069 is about 226.4292166904.

The spelling of 11609069 in words is "eleven million, six hundred nine thousand, sixty-nine".