1108360844509 has 2 divisors, whose sum is σ = 1108360844510. Its totient is φ = 1108360844508.

The previous prime is 1108360844497. The next prime is 1108360844533. The reversal of 1108360844509 is 9054480638011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107960444409 + 400400100 = 1052597^2 + 20010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108360844509 - 2¹⁷ = 1108360713437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108360844309) 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, 554180422254 + 554180422255.

It is an arithmetic number, because the mean of its divisors is an integer number (554180422255).

Almost surely, 2^{1108360844509} is an apocalyptic number.

It is an amenable number.

1108360844509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108360844509 is an equidigital number, since it uses as much as digits as its factorization.

1108360844509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 1108360844509 in words is "one trillion, one hundred eight billion, three hundred sixty million, eight hundred forty-four thousand, five hundred nine".