111305853749 has 2 divisors, whose sum is σ = 111305853750. Its totient is φ = 111305853748.

The previous prime is 111305853731. The next prime is 111305853773. The reversal of 111305853749 is 947358503111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88105080625 + 23200773124 = 296825^2 + 152318^2 .

It is an emirp because it is prime and its reverse (947358503111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111305853749 - 2¹⁶ = 111305788213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111305853949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55652926874 + 55652926875.

It is an arithmetic number, because the mean of its divisors is an integer number (55652926875).

Almost surely, 2^111305853749 is an apocalyptic number.

It is an amenable number.

111305853749 is a deficient number, since it is larger than the sum of its proper divisors (1).

111305853749 is an equidigital number, since it uses as much as digits as its factorization.

111305853749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 111305853749 in words is "one hundred eleven billion, three hundred five million, eight hundred fifty-three thousand, seven hundred forty-nine".