11124144020 has 48 divisors (see below), whose sum is σ = 25497763200. Its totient is φ = 4043022720.

The previous prime is 11124144019. The next prime is 11124144043. The reversal of 11124144020 is 2044142111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11124143983 and 11124144001.

It is a congruent number.

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, 442961 + ... + 467399.

It is an arithmetic number, because the mean of its divisors is an integer number (531203400).

Almost surely, 2^11124144020 is an apocalyptic number.

11124144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11124144020 is an abundant number, since it is smaller than the sum of its proper divisors (14373619180).

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

11124144020 is a wasteful number, since it uses less digits than its factorization.

11124144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26528 (or 26526 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11124144020 its reverse (2044142111), we get a palindrome (13168286131).

The spelling of 11124144020 in words is "eleven billion, one hundred twenty-four million, one hundred forty-four thousand, twenty".