16785111353 has 2 divisors, whose sum is σ = 16785111354. Its totient is φ = 16785111352.

The previous prime is 16785111253. The next prime is 16785111379. The reversal of 16785111353 is 35311158761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15618000784 + 1167110569 = 124972^2 + 34163^2 .

It is an emirp because it is prime and its reverse (35311158761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16785111353 - 2¹² = 16785107257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16785111353.

It is not a weakly prime, because it can be changed into another prime (16785111053) 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, 8392555676 + 8392555677.

It is an arithmetic number, because the mean of its divisors is an integer number (8392555677).

Almost surely, 2^16785111353 is an apocalyptic number.

It is an amenable number.

16785111353 is a deficient number, since it is larger than the sum of its proper divisors (1).

16785111353 is an equidigital number, since it uses as much as digits as its factorization.

16785111353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 41.

The spelling of 16785111353 in words is "sixteen billion, seven hundred eighty-five million, one hundred eleven thousand, three hundred fifty-three".