1105388031089 has 2 divisors, whose sum is σ = 1105388031090. Its totient is φ = 1105388031088.

The previous prime is 1105388031079. The next prime is 1105388031101. The reversal of 1105388031089 is 9801308835011.

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., 1066427982400 + 38960048689 = 1032680^2 + 197383^2 .

It is an emirp because it is prime and its reverse (9801308835011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105388031089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105388031029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552694015544 + 552694015545.

It is an arithmetic number, because the mean of its divisors is an integer number (552694015545).

Almost surely, 2^{1105388031089} is an apocalyptic number.

It is an amenable number.

1105388031089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105388031089 is an equidigital number, since it uses as much as digits as its factorization.

1105388031089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 1105388031089 in words is "one trillion, one hundred five billion, three hundred eighty-eight million, thirty-one thousand, eighty-nine".