1121340443417 has 2 divisors, whose sum is σ = 1121340443418. Its totient is φ = 1121340443416.

The previous prime is 1121340443413. The next prime is 1121340443453. The reversal of 1121340443417 is 7143440431211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813560704576 + 307779738841 = 901976^2 + 554779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121340443417 - 2² = 1121340443413 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121340443413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560670221708 + 560670221709.

It is an arithmetic number, because the mean of its divisors is an integer number (560670221709).

Almost surely, 2^{1121340443417} is an apocalyptic number.

It is an amenable number.

1121340443417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121340443417 is an equidigital number, since it uses as much as digits as its factorization.

1121340443417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 1121340443417 its reverse (7143440431211), we get a palindrome (8264780874628).

The spelling of 1121340443417 in words is "one trillion, one hundred twenty-one billion, three hundred forty million, four hundred forty-three thousand, four hundred seventeen".