11222356688 has 20 divisors (see below), whose sum is σ = 22887701760. Its totient is φ = 5315853024.

The previous prime is 11222356667. The next prime is 11222356699. The reversal of 11222356688 is 88665322211.

11222356688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18457520 + ... + 18458127.

It is an arithmetic number, because the mean of its divisors is an integer number (1144385088).

Almost surely, 2^11222356688 is an apocalyptic number.

It is an amenable number.

11222356688 is an abundant number, since it is smaller than the sum of its proper divisors (11665345072).

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

11222356688 is a wasteful number, since it uses less digits than its factorization.

11222356688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36915674 (or 36915668 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

Adding to 11222356688 its reverse (88665322211), we get a palindrome (99887678899).

The spelling of 11222356688 in words is "eleven billion, two hundred twenty-two million, three hundred fifty-six thousand, six hundred eighty-eight".