11135223656 has 32 divisors (see below), whose sum is σ = 21488690880. Its totient is φ = 5407248000.

The previous prime is 11135223637. The next prime is 11135223683. The reversal of 11135223656 is 65632253111.

11135223656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108245 + ... + 184356.

It is an arithmetic number, because the mean of its divisors is an integer number (671521590).

Almost surely, 2^11135223656 is an apocalyptic number.

It is an amenable number.

11135223656 is a deficient number, since it is larger than the sum of its proper divisors (10353467224).

11135223656 is a wasteful number, since it uses less digits than its factorization.

11135223656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292745 (or 292741 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

Adding to 11135223656 its reverse (65632253111), we get a palindrome (76767476767).

The spelling of 11135223656 in words is "eleven billion, one hundred thirty-five million, two hundred twenty-three thousand, six hundred fifty-six".