11233334556 has 72 divisors (see below), whose sum is σ = 30162590640. Its totient is φ = 3615296832.

The previous prime is 11233334521. The next prime is 11233334587. The reversal of 11233334556 is 65543333211.

11233334556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11233334556.

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 23 ways as a sum of consecutive naturals, for example, 28990 + ... + 152666.

It is an arithmetic number, because the mean of its divisors is an integer number (418924870).

Almost surely, 2^11233334556 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 11233334556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15081295320).

11233334556 is an abundant number, since it is smaller than the sum of its proper divisors (18929256084).

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

11233334556 is a wasteful number, since it uses less digits than its factorization.

11233334556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123748 (or 123711 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 11233334556 its reverse (65543333211), we get a palindrome (76776667767).

The spelling of 11233334556 in words is "eleven billion, two hundred thirty-three million, three hundred thirty-four thousand, five hundred fifty-six".