1311124420279 has 2 divisors, whose sum is σ = 1311124420280. Its totient is φ = 1311124420278.

The previous prime is 1311124420273. The next prime is 1311124420343. The reversal of 1311124420279 is 9720244211131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311124420279 - 2¹⁷ = 1311124289207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311124420273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655562210139 + 655562210140.

It is an arithmetic number, because the mean of its divisors is an integer number (655562210140).

Almost surely, 2^{1311124420279} is an apocalyptic number.

1311124420279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311124420279 is an equidigital number, since it uses as much as digits as its factorization.

1311124420279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 1311124420279 in words is "one trillion, three hundred eleven billion, one hundred twenty-four million, four hundred twenty thousand, two hundred seventy-nine".