111343040340109 has 2 divisors, whose sum is σ = 111343040340110. Its totient is φ = 111343040340108.

The previous prime is 111343040340073. The next prime is 111343040340179. The reversal of 111343040340109 is 901043040343111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110547287137609 + 795753202500 = 10514147^2 + 892050^2 .

It is a cyclic number.

It is not a de Polignac number, because 111343040340109 - 2⁷ = 111343040339981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111343040340179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671520170054 + 55671520170055.

It is an arithmetic number, because the mean of its divisors is an integer number (55671520170055).

Almost surely, 2^{111343040340109} is an apocalyptic number.

It is an amenable number.

111343040340109 is a deficient number, since it is larger than the sum of its proper divisors (1).

111343040340109 is an equidigital number, since it uses as much as digits as its factorization.

111343040340109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 111343040340109 in words is "one hundred eleven trillion, three hundred forty-three billion, forty million, three hundred forty thousand, one hundred nine".