1111965307489 has 2 divisors, whose sum is σ = 1111965307490. Its totient is φ = 1111965307488.

The previous prime is 1111965307469. The next prime is 1111965307513. The reversal of 1111965307489 is 9847035691111.

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., 936458773264 + 175506534225 = 967708^2 + 418935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111965307489 - 2⁷ = 1111965307361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111965307469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555982653744 + 555982653745.

It is an arithmetic number, because the mean of its divisors is an integer number (555982653745).

Almost surely, 2^{1111965307489} is an apocalyptic number.

It is an amenable number.

1111965307489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111965307489 is an equidigital number, since it uses as much as digits as its factorization.

1111965307489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 1111965307489 in words is "one trillion, one hundred eleven billion, nine hundred sixty-five million, three hundred seven thousand, four hundred eighty-nine".