11289565636 has 24 divisors (see below), whose sum is σ = 19825171520. Its totient is φ = 5625256032.

The previous prime is 11289565631. The next prime is 11289565691. The reversal of 11289565636 is 63656598211.

It is not an unprimeable number, because it can be changed into a prime (11289565631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801455 + ... + 2805481.

Almost surely, 2^11289565636 is an apocalyptic number.

It is an amenable number.

11289565636 is a deficient number, since it is larger than the sum of its proper divisors (8535605884).

11289565636 is a wasteful number, since it uses less digits than its factorization.

11289565636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283 (or 6281 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The spelling of 11289565636 in words is "eleven billion, two hundred eighty-nine million, five hundred sixty-five thousand, six hundred thirty-six".