1111443042320 has 320 divisors, whose sum is σ = 2870240292864. Its totient is φ = 397724221440.

The previous prime is 1111443042289. The next prime is 1111443042329. The reversal of 1111443042320 is 232403441111.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1111443042320.

It is not an unprimeable number, because it can be changed into a prime (1111443042329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2031888287 + ... + 2031888833.

Almost surely, 2^{1111443042320} is an apocalyptic number.

1111443042320 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 1111443042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435120146432).

1111443042320 is an abundant number, since it is smaller than the sum of its proper divisors (1758797250544).

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

1111443042320 is a wasteful number, since it uses less digits than its factorization.

1111443042320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1111443042320 its reverse (232403441111), we get a palindrome (1343846483431).

The spelling of 1111443042320 in words is "one trillion, one hundred eleven billion, four hundred forty-three million, forty-two thousand, three hundred twenty".