1103381540809 has 2 divisors, whose sum is σ = 1103381540810. Its totient is φ = 1103381540808.

The previous prime is 1103381540791. The next prime is 1103381540873. The reversal of 1103381540809 is 9080451833011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1072875425209 + 30506115600 = 1035797^2 + 174660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103381540809 - 2¹¹ = 1103381538761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103381540509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551690770404 + 551690770405.

It is an arithmetic number, because the mean of its divisors is an integer number (551690770405).

Almost surely, 2^{1103381540809} is an apocalyptic number.

It is an amenable number.

1103381540809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103381540809 is an equidigital number, since it uses as much as digits as its factorization.

1103381540809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 1103381540809 in words is "one trillion, one hundred three billion, three hundred eighty-one million, five hundred forty thousand, eight hundred nine".