11132365566 has 48 divisors (see below), whose sum is σ = 26014041216. Its totient is φ = 3166645104.

The previous prime is 11132365553. The next prime is 11132365567. The reversal of 11132365566 is 66556323111.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132365567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16666 + ... + 150141.

It is an arithmetic number, because the mean of its divisors is an integer number (541959192).

Almost surely, 2^11132365566 is an apocalyptic number.

11132365566 is an abundant number, since it is smaller than the sum of its proper divisors (14881675650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11132365566 is a wasteful number, since it uses less digits than its factorization.

11132365566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167053 (or 167046 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

Adding to 11132365566 its reverse (66556323111), we get a palindrome (77688688677).

The spelling of 11132365566 in words is "eleven billion, one hundred thirty-two million, three hundred sixty-five thousand, five hundred sixty-six".