1104343321312 has 192 divisors, whose sum is σ = 2721425817600. Its totient is φ = 428559367680.

The previous prime is 1104343321283. The next prime is 1104343321321. The reversal of 1104343321312 is 2131233434011.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1279655793 + ... + 1279656655.

It is an arithmetic number, because the mean of its divisors is an integer number (14174092800).

Almost surely, 2^{1104343321312} 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 1104343321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360712908800).

1104343321312 is an abundant number, since it is smaller than the sum of its proper divisors (1617082496288).

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

1104343321312 is a wasteful number, since it uses less digits than its factorization.

1104343321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2341 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1104343321312 its reverse (2131233434011), we get a palindrome (3235576755323).

The spelling of 1104343321312 in words is "one trillion, one hundred four billion, three hundred forty-three million, three hundred twenty-one thousand, three hundred twelve".