11441111420 has 24 divisors (see below), whose sum is σ = 24053458464. Its totient is φ = 4571278016.

The previous prime is 11441111417. The next prime is 11441111443. The reversal of 11441111420 is 2411114411.

11441111420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11441111392 and 11441111401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 304727 + ... + 340206.

It is an arithmetic number, because the mean of its divisors is an integer number (1002227436).

Almost surely, 2^11441111420 is an apocalyptic number.

11441111420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11441111420 is an abundant number, since it is smaller than the sum of its proper divisors (12612347044).

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

11441111420 is a wasteful number, since it uses less digits than its factorization.

11441111420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645829 (or 645827 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11441111420 its reverse (2411114411), we get a palindrome (13852225831).

The spelling of 11441111420 in words is "eleven billion, four hundred forty-one million, one hundred eleven thousand, four hundred twenty".