111133346667841 has 2 divisors, whose sum is σ = 111133346667842. Its totient is φ = 111133346667840.

The previous prime is 111133346667709. The next prime is 111133346667851. The reversal of 111133346667841 is 148766643331111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94102901442225 + 17030445225616 = 9700665^2 + 4126796^2 .

It is a cyclic number.

It is not a de Polignac number, because 111133346667841 - 2²⁹ = 111132809796929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111133346667851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566673333920 + 55566673333921.

It is an arithmetic number, because the mean of its divisors is an integer number (55566673333921).

Almost surely, 2^{111133346667841} is an apocalyptic number.

It is an amenable number.

111133346667841 is a deficient number, since it is larger than the sum of its proper divisors (1).

111133346667841 is an equidigital number, since it uses as much as digits as its factorization.

111133346667841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 55.

Adding to 111133346667841 its reverse (148766643331111), we get a palindrome (259899989998952).

The spelling of 111133346667841 in words is "one hundred eleven trillion, one hundred thirty-three billion, three hundred forty-six million, six hundred sixty-seven thousand, eight hundred forty-one".