11144220450 has 48 divisors (see below), whose sum is σ = 30150186336. Its totient is φ = 2701628800.

The previous prime is 11144220449. The next prime is 11144220457. The reversal of 11144220450 is 5402244111.

11144220450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11144220450.

It is not an unprimeable number, because it can be changed into a prime (11144220457) 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 23 ways as a sum of consecutive naturals, for example, 3375387 + ... + 3378686.

It is an arithmetic number, because the mean of its divisors is an integer number (628128882).

Almost surely, 2^11144220450 is an apocalyptic number.

11144220450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11144220450 is an abundant number, since it is smaller than the sum of its proper divisors (19005965886).

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

11144220450 is a wasteful number, since it uses less digits than its factorization.

11144220450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754099 (or 6754094 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11144220450 its reverse (5402244111), we get a palindrome (16546464561).

The spelling of 11144220450 in words is "eleven billion, one hundred forty-four million, two hundred twenty thousand, four hundred fifty".