12311848609 has 2 divisors, whose sum is σ = 12311848610. Its totient is φ = 12311848608.

The previous prime is 12311848517. The next prime is 12311848657. The reversal of 12311848609 is 90684811321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9866051584 + 2445797025 = 99328^2 + 49455^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311848609 - 2¹⁹ = 12311324321 is a prime.

It is a super-3 number, since 3×12311848609³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12411848609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155924304 + 6155924305.

It is an arithmetic number, because the mean of its divisors is an integer number (6155924305).

Almost surely, 2^12311848609 is an apocalyptic number.

It is an amenable number.

12311848609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311848609 is an equidigital number, since it uses as much as digits as its factorization.

12311848609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 12311848609 in words is "twelve billion, three hundred eleven million, eight hundred forty-eight thousand, six hundred nine".