11041123440 has 160 divisors (see below), whose sum is σ = 36796216320. Its totient is φ = 2729935872.

The previous prime is 11041123411. The next prime is 11041123447. The reversal of 11041123440 is 4432114011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041123447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188562 + ... + 240078.

It is an arithmetic number, because the mean of its divisors is an integer number (229976352).

Almost surely, 2^11041123440 is an apocalyptic number.

11041123440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11041123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18398108160).

11041123440 is an abundant number, since it is smaller than the sum of its proper divisors (25755092880).

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

11041123440 is a wasteful number, since it uses less digits than its factorization.

11041123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51599 (or 51593 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11041123440 its reverse (4432114011), we get a palindrome (15473237451).

The spelling of 11041123440 in words is "eleven billion, forty-one million, one hundred twenty-three thousand, four hundred forty".