11136609 has 40 divisors (see below), whose sum is σ = 18817920. Its totient is φ = 6501600.

The previous prime is 11136589. The next prime is 11136617. The reversal of 11136609 is 90663111.

It is not a de Polignac number, because 11136609 - 2⁸ = 11136353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11136689) 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 in 39 ways as a sum of consecutive naturals, for example, 25624 + ... + 26054.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 2^11136609 is an apocalyptic number.

It is an amenable number.

11136609 is a deficient number, since it is larger than the sum of its proper divisors (7681311).

11136609 is a wasteful number, since it uses less digits than its factorization.

11136609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11136609 is about 3337.1558249503. The cubic root of 11136609 is about 223.3148775620.

The spelling of 11136609 in words is "eleven million, one hundred thirty-six thousand, six hundred nine".