111768446294497 has 2 divisors, whose sum is σ = 111768446294498. Its totient is φ = 111768446294496.

The previous prime is 111768446294489. The next prime is 111768446294501. The reversal of 111768446294497 is 794492644867111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102550640239441 + 9217806055056 = 10126729^2 + 3036084^2 .

It is an emirp because it is prime and its reverse (794492644867111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111768446294497 - 2³ = 111768446294489 is a prime.

It is not a weakly prime, because it can be changed into another prime (111768446294467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55884223147248 + 55884223147249.

It is an arithmetic number, because the mean of its divisors is an integer number (55884223147249).

Almost surely, 2^{111768446294497} is an apocalyptic number.

It is an amenable number.

111768446294497 is a deficient number, since it is larger than the sum of its proper divisors (1).

111768446294497 is an equidigital number, since it uses as much as digits as its factorization.

111768446294497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 585252864, while the sum is 73.

The spelling of 111768446294497 in words is "one hundred eleven trillion, seven hundred sixty-eight billion, four hundred forty-six million, two hundred ninety-four thousand, four hundred ninety-seven".