111317628682243 has 2 divisors, whose sum is σ = 111317628682244. Its totient is φ = 111317628682242.

The previous prime is 111317628682187. The next prime is 111317628682279. The reversal of 111317628682243 is 342286826713111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111317628682243 - 2⁴⁵ = 76133256593411 is a prime.

It is a super-2 number, since 2×111317628682243² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111317628682343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55658814341121 + 55658814341122.

It is an arithmetic number, because the mean of its divisors is an integer number (55658814341122).

Almost surely, 2^{111317628682243} is an apocalyptic number.

111317628682243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111317628682243 is an equidigital number, since it uses as much as digits as its factorization.

111317628682243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The spelling of 111317628682243 in words is "one hundred eleven trillion, three hundred seventeen billion, six hundred twenty-eight million, six hundred eighty-two thousand, two hundred forty-three".