1103323113049 has 2 divisors, whose sum is σ = 1103323113050. Its totient is φ = 1103323113048.

The previous prime is 1103323113043. The next prime is 1103323113103. The reversal of 1103323113049 is 9403113233011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805987381824 + 297335731225 = 897768^2 + 545285^2 .

It is an emirp because it is prime and its reverse (9403113233011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103323113049 - 2⁵ = 1103323113017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103323113049.

It is not a weakly prime, because it can be changed into another prime (1103323113043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551661556524 + 551661556525.

It is an arithmetic number, because the mean of its divisors is an integer number (551661556525).

Almost surely, 2^{1103323113049} is an apocalyptic number.

It is an amenable number.

1103323113049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103323113049 is an equidigital number, since it uses as much as digits as its factorization.

1103323113049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 1103323113049 in words is "one trillion, one hundred three billion, three hundred twenty-three million, one hundred thirteen thousand, forty-nine".