111716766223 has 2 divisors, whose sum is σ = 111716766224. Its totient is φ = 111716766222.

The previous prime is 111716766221. The next prime is 111716766229. The reversal of 111716766223 is 322667617111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111716766223 - 2¹ = 111716766221 is a prime.

Together with 111716766221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111716766223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111716766221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55858383111 + 55858383112.

It is an arithmetic number, because the mean of its divisors is an integer number (55858383112).

Almost surely, 2^111716766223 is an apocalyptic number.

111716766223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111716766223 is an equidigital number, since it uses as much as digits as its factorization.

111716766223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The spelling of 111716766223 in words is "one hundred eleven billion, seven hundred sixteen million, seven hundred sixty-six thousand, two hundred twenty-three".