16785111023 has 2 divisors, whose sum is σ = 16785111024. Its totient is φ = 16785111022.

The previous prime is 16785111011. The next prime is 16785111037. The reversal of 16785111023 is 32011158761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16785111023 - 2¹⁴ = 16785094639 is a prime.

It is a super-2 number, since 2×16785111023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8392555511 + 8392555512.

It is an arithmetic number, because the mean of its divisors is an integer number (8392555512).

Almost surely, 2^16785111023 is an apocalyptic number.

16785111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

16785111023 is an equidigital number, since it uses as much as digits as its factorization.

16785111023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

Adding to 16785111023 its reverse (32011158761), we get a palindrome (48796269784).

The spelling of 16785111023 in words is "sixteen billion, seven hundred eighty-five million, one hundred eleven thousand, twenty-three".