11133105656 has 64 divisors (see below), whose sum is σ = 23275771200. Its totient is φ = 4965193728.

The previous prime is 11133105637. The next prime is 11133105677. The reversal of 11133105656 is 65650133111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324626 + ... + 357278.

It is an arithmetic number, because the mean of its divisors is an integer number (363683925).

Almost surely, 2^11133105656 is an apocalyptic number.

It is an amenable number.

11133105656 is an abundant number, since it is smaller than the sum of its proper divisors (12142665544).

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

11133105656 is a wasteful number, since it uses less digits than its factorization.

11133105656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808 (or 32804 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 11133105656 its reverse (65650133111), we get a palindrome (76783238767).

The spelling of 11133105656 in words is "eleven billion, one hundred thirty-three million, one hundred five thousand, six hundred fifty-six".