1112111444444 has 384 divisors, whose sum is σ = 2761526476800. Its totient is φ = 377944704000.

The previous prime is 1112111444417. The next prime is 1112111444447. The reversal of 1112111444444 is 4444441112111.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1112111444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112111444447) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1325519777 + ... + 1325520615.

It is an arithmetic number, because the mean of its divisors is an integer number (7191475200).

Almost surely, 2^{1112111444444} is an apocalyptic number.

1112111444444 is a gapful number since it is divisible by the number (14) 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 1112111444444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380763238400).

1112111444444 is an abundant number, since it is smaller than the sum of its proper divisors (1649415032356).

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

1112111444444 is a wasteful number, since it uses less digits than its factorization.

1112111444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

Adding to 1112111444444 its reverse (4444441112111), we get a palindrome (5556552556555).

The spelling of 1112111444444 in words is "one trillion, one hundred twelve billion, one hundred eleven million, four hundred forty-four thousand, four hundred forty-four".