1109084163361 has 2 divisors, whose sum is σ = 1109084163362. Its totient is φ = 1109084163360.

The previous prime is 1109084163359. The next prime is 1109084163431. The reversal of 1109084163361 is 1633614809011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 811125390625 + 297958772736 = 900625^2 + 545856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109084163361 - 2¹ = 1109084163359 is a prime.

Together with 1109084163359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1109084160361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554542081680 + 554542081681.

It is an arithmetic number, because the mean of its divisors is an integer number (554542081681).

Almost surely, 2^{1109084163361} is an apocalyptic number.

It is an amenable number.

1109084163361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109084163361 is an equidigital number, since it uses as much as digits as its factorization.

1109084163361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1109084163361 in words is "one trillion, one hundred nine billion, eighty-four million, one hundred sixty-three thousand, three hundred sixty-one".