111235666679 has 2 divisors, whose sum is σ = 111235666680. Its totient is φ = 111235666678.

The previous prime is 111235666651. The next prime is 111235666691. The reversal of 111235666679 is 976666532111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111235666679 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111235666679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111235666699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55617833339 + 55617833340.

It is an arithmetic number, because the mean of its divisors is an integer number (55617833340).

Almost surely, 2^111235666679 is an apocalyptic number.

111235666679 is a deficient number, since it is larger than the sum of its proper divisors (1).

111235666679 is an equidigital number, since it uses as much as digits as its factorization.

111235666679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The spelling of 111235666679 in words is "one hundred eleven billion, two hundred thirty-five million, six hundred sixty-six thousand, six hundred seventy-nine".