1121843669632 has 384 divisors, whose sum is σ = 2871650880000. Its totient is φ = 433272913920.

The previous prime is 1121843669627. The next prime is 1121843669633. The reversal of 1121843669632 is 2369663481211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121843669632.

It is not an unprimeable number, because it can be changed into a prime (1121843669633) 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 47 ways as a sum of consecutive naturals, for example, 320616619 + ... + 320620117.

It is an arithmetic number, because the mean of its divisors is an integer number (7478257500).

Almost surely, 2^{1121843669632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121843669632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435825440000).

1121843669632 is an abundant number, since it is smaller than the sum of its proper divisors (1749807210368).

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

1121843669632 is a wasteful number, since it uses less digits than its factorization.

1121843669632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672 (or 3653 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The spelling of 1121843669632 in words is "one trillion, one hundred twenty-one billion, eight hundred forty-three million, six hundred sixty-nine thousand, six hundred thirty-two".