1105203433344 has 128 divisors (see below), whose sum is σ = 2980607280000. Its totient is φ = 362769352704.

The previous prime is 1105203433337. The next prime is 1105203433381. The reversal of 1105203433344 is 4433343025011.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90016134 + ... + 90028410.

It is an arithmetic number, because the mean of its divisors is an integer number (23285994375).

Almost surely, 2^{1105203433344} 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 1105203433344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490303640000).

1105203433344 is an abundant number, since it is smaller than the sum of its proper divisors (1875403846656).

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

1105203433344 is a wasteful number, since it uses less digits than its factorization.

1105203433344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860 (or 15848 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1105203433344 its reverse (4433343025011), we get a palindrome (5538546458355).

The spelling of 1105203433344 in words is "one trillion, one hundred five billion, two hundred three million, four hundred thirty-three thousand, three hundred forty-four".