11124404020 has 48 divisors (see below), whose sum is σ = 24417727488. Its totient is φ = 4249175040.

The previous prime is 11124403987. The next prime is 11124404021. The reversal of 11124404020 is 2040442111.

11124404020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124404021) 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 15 ways as a sum of consecutive naturals, for example, 259300 + ... + 299140.

It is an arithmetic number, because the mean of its divisors is an integer number (508702656).

Almost surely, 2^11124404020 is an apocalyptic number.

11124404020 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 11124404020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12208863744).

11124404020 is an abundant number, since it is smaller than the sum of its proper divisors (13293323468).

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

11124404020 is a wasteful number, since it uses less digits than its factorization.

11124404020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40480 (or 40478 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11124404020 its reverse (2040442111), we get a palindrome (13164846131).

The spelling of 11124404020 in words is "eleven billion, one hundred twenty-four million, four hundred four thousand, twenty".