11113223004 has 144 divisors (see below), whose sum is σ = 31588230240. Its totient is φ = 3418998336.

The previous prime is 11113223003. The next prime is 11113223057. The reversal of 11113223004 is 40032231111.

11113223004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11113223004³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113223003) 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 47 ways as a sum of consecutive naturals, for example, 1474654 + ... + 1482170.

It is an arithmetic number, because the mean of its divisors is an integer number (219362710).

Almost surely, 2^11113223004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113223004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15794115120).

11113223004 is an abundant number, since it is smaller than the sum of its proper divisors (20475007236).

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

11113223004 is an equidigital number, since it uses as much as digits as its factorization.

11113223004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568 (or 7535 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11113223004 its reverse (40032231111), we get a palindrome (51145454115).

The spelling of 11113223004 in words is "eleven billion, one hundred thirteen million, two hundred twenty-three thousand, four".