1289392217411 has 2 divisors, whose sum is σ = 1289392217412. Its totient is φ = 1289392217410.

The previous prime is 1289392217341. The next prime is 1289392217441. The reversal of 1289392217411 is 1147122939821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1289392217411 - 2³⁴ = 1272212348227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1289392217411.

It is not a weakly prime, because it can be changed into another prime (1289392217441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644696108705 + 644696108706.

It is an arithmetic number, because the mean of its divisors is an integer number (644696108706).

Almost surely, 2^{1289392217411} is an apocalyptic number.

1289392217411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1289392217411 is an equidigital number, since it uses as much as digits as its factorization.

1289392217411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The spelling of 1289392217411 in words is "one trillion, two hundred eighty-nine billion, three hundred ninety-two million, two hundred seventeen thousand, four hundred eleven".