11123222032 has 80 divisors (see below), whose sum is σ = 23423344560. Its totient is φ = 5086642176.

The previous prime is 11123222017. The next prime is 11123222063. The reversal of 11123222032 is 23022232111.

It can be written as a sum of positive squares in 8 ways, for example, as 6471936 + 11116750096 = 2544^2 + 105436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14464144 + ... + 14464912.

It is an arithmetic number, because the mean of its divisors is an integer number (292791807).

Almost surely, 2^11123222032 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 11123222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11711672280).

11123222032 is an abundant number, since it is smaller than the sum of its proper divisors (12300122528).

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

11123222032 is a wasteful number, since it uses less digits than its factorization.

11123222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11123222032 its reverse (23022232111), we get a palindrome (34145454143).

The spelling of 11123222032 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-two thousand, thirty-two".