11223405188 has 24 divisors (see below), whose sum is σ = 20335515480. Its totient is φ = 5413587200.

The previous prime is 11223405181. The next prime is 11223405191. The reversal of 11223405188 is 88150432211.

11223405188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2982033664 + 8241371524 = 54608^2 + 90782^2 .

It is not an unprimeable number, because it can be changed into a prime (11223405181) by changing a digit.

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, 97838 + ... + 178938.

It is an arithmetic number, because the mean of its divisors is an integer number (847313145).

Almost surely, 2^11223405188 is an apocalyptic number.

It is an amenable number.

11223405188 is a deficient number, since it is larger than the sum of its proper divisors (9112110292).

11223405188 is a wasteful number, since it uses less digits than its factorization.

11223405188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82327 (or 82325 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

Adding to 11223405188 its reverse (88150432211), we get a palindrome (99373837399).

The spelling of 11223405188 in words is "eleven billion, two hundred twenty-three million, four hundred five thousand, one hundred eighty-eight".