16545717711311 has 2 divisors, whose sum is σ = 16545717711312. Its totient is φ = 16545717711310.

The previous prime is 16545717711227. The next prime is 16545717711371. The reversal of 16545717711311 is 11311771754561.

16545717711311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545717711311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16545717711311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545717711371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272858855655 + 8272858855656.

It is an arithmetic number, because the mean of its divisors is an integer number (8272858855656).

Almost surely, 2^{16545717711311} is an apocalyptic number.

16545717711311 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545717711311 is an equidigital number, since it uses as much as digits as its factorization.

16545717711311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 50.

The spelling of 16545717711311 in words is "sixteen trillion, five hundred forty-five billion, seven hundred seventeen million, seven hundred eleven thousand, three hundred eleven".