1103403320441 has 6 divisors (see below), whose sum is σ = 1172127402990. Its totient is φ = 1038497242496.

The previous prime is 1103403320429. The next prime is 1103403320443. The reversal of 1103403320441 is 1440233043011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 521325876841 + 582077443600 = 722029^2 + 762940^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1103403320441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103403320441.

It is not an unprimeable number, because it can be changed into a prime (1103403320443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1909001996 + ... + 1909002573.

It is an arithmetic number, because the mean of its divisors is an integer number (195354567165).

Almost surely, 2^{1103403320441} is an apocalyptic number.

It is an amenable number.

1103403320441 is a deficient number, since it is larger than the sum of its proper divisors (68724082549).

1103403320441 is an equidigital number, since it uses as much as digits as its factorization.

1103403320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818004603 (or 3818004586 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1103403320441 its reverse (1440233043011), we get a palindrome (2543636363452).

The spelling of 1103403320441 in words is "one trillion, one hundred three billion, four hundred three million, three hundred twenty thousand, four hundred forty-one".