16517447122331 has 2 divisors, whose sum is σ = 16517447122332. Its totient is φ = 16517447122330.

The previous prime is 16517447122291. The next prime is 16517447122357. The reversal of 16517447122331 is 13322174471561.

It is a strong prime.

It is an emirp because it is prime and its reverse (13322174471561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16517447122331 - 2²⁶ = 16517380013467 is a prime.

It is a super-2 number, since 2×16517447122331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16517447122391) 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, 8258723561165 + 8258723561166.

It is an arithmetic number, because the mean of its divisors is an integer number (8258723561166).

Almost surely, 2^{16517447122331} is an apocalyptic number.

16517447122331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16517447122331 is an equidigital number, since it uses as much as digits as its factorization.

16517447122331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The spelling of 16517447122331 in words is "sixteen trillion, five hundred seventeen billion, four hundred forty-seven million, one hundred twenty-two thousand, three hundred thirty-one".