1120443311000 has 128 divisors (see below), whose sum is σ = 2857538174400. Its totient is φ = 408717388800.

The previous prime is 1120443310997. The next prime is 1120443311081. The reversal of 1120443311000 is 1133440211.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 31 ways as a sum of consecutive naturals, for example, 559796 + ... + 1598204.

Almost surely, 2^{1120443311000} is an apocalyptic number.

1120443311000 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 1120443311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428769087200).

1120443311000 is an abundant number, since it is smaller than the sum of its proper divisors (1737094863400).

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

1120443311000 is a wasteful number, since it uses less digits than its factorization.

1120443311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038526 (or 1038512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1120443311000 its reverse (1133440211), we get a palindrome (1121576751211).

The spelling of 1120443311000 in words is "one trillion, one hundred twenty billion, four hundred forty-three million, three hundred eleven thousand".