11136689 has 2 divisors, whose sum is σ = 11136690. Its totient is φ = 11136688.

The previous prime is 11136647. The next prime is 11136733. The reversal of 11136689 is 98663111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 4986289 = 2480^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 11136689 - 2¹⁶ = 11071153 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11136089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568344 + 5568345.

It is an arithmetic number, because the mean of its divisors is an integer number (5568345).

Almost surely, 2^11136689 is an apocalyptic number.

It is an amenable number.

11136689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11136689 is an equidigital number, since it uses as much as digits as its factorization.

11136689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 11136689 is about 3337.1678111836. The cubic root of 11136689 is about 223.3154122894.

The spelling of 11136689 in words is "eleven million, one hundred thirty-six thousand, six hundred eighty-nine".