1111143044440 has 256 divisors, whose sum is σ = 2956200105600. Its totient is φ = 370560614400.

The previous prime is 1111143044423. The next prime is 1111143044443. The reversal of 1111143044440 is 444403411111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111143044399 and 1111143044408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111143044443) 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 63 ways as a sum of consecutive naturals, for example, 685466830 + ... + 685468450.

Almost surely, 2^{1111143044440} is an apocalyptic number.

1111143044440 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 1111143044440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478100052800).

1111143044440 is an abundant number, since it is smaller than the sum of its proper divisors (1845057061160).

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

1111143044440 is a wasteful number, since it uses less digits than its factorization.

1111143044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1111143044440 its reverse (444403411111), we get a palindrome (1555546455551).

The spelling of 1111143044440 in words is "one trillion, one hundred eleven billion, one hundred forty-three million, forty-four thousand, four hundred forty".