1105605605473 has 2 divisors, whose sum is σ = 1105605605474. Its totient is φ = 1105605605472.

The previous prime is 1105605605441. The next prime is 1105605605549. The reversal of 1105605605473 is 3745065065011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743211237409 + 362394368064 = 862097^2 + 601992^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105605605473 - 2⁵ = 1105605605441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105605605173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552802802736 + 552802802737.

It is an arithmetic number, because the mean of its divisors is an integer number (552802802737).

Almost surely, 2^{1105605605473} is an apocalyptic number.

It is an amenable number.

1105605605473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105605605473 is an equidigital number, since it uses as much as digits as its factorization.

1105605605473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 1105605605473 in words is "one trillion, one hundred five billion, six hundred five million, six hundred five thousand, four hundred seventy-three".