1127418311609 has 2 divisors, whose sum is σ = 1127418311610. Its totient is φ = 1127418311608.

The previous prime is 1127418311599. The next prime is 1127418311611. The reversal of 1127418311609 is 9061138147211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1108977486400 + 18440825209 = 1053080^2 + 135797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127418311609 - 2⁸ = 1127418311353 is a prime.

Together with 1127418311611, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1127418311609.

It is not a weakly prime, because it can be changed into another prime (1127418311659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563709155804 + 563709155805.

It is an arithmetic number, because the mean of its divisors is an integer number (563709155805).

Almost surely, 2^{1127418311609} is an apocalyptic number.

It is an amenable number.

1127418311609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127418311609 is an equidigital number, since it uses as much as digits as its factorization.

1127418311609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 1127418311609 in words is "one trillion, one hundred twenty-seven billion, four hundred eighteen million, three hundred eleven thousand, six hundred nine".