12361040266643 has 2 divisors, whose sum is σ = 12361040266644. Its totient is φ = 12361040266642.

The previous prime is 12361040266591. The next prime is 12361040266709. The reversal of 12361040266643 is 34666204016321.

It is a weak prime.

It is an emirp because it is prime and its reverse (34666204016321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12361040266643 - 2¹² = 12361040262547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12361040266594 and 12361040266603.

It is not a weakly prime, because it can be changed into another prime (12361040265643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180520133321 + 6180520133322.

It is an arithmetic number, because the mean of its divisors is an integer number (6180520133322).

Almost surely, 2^{12361040266643} is an apocalyptic number.

12361040266643 is a deficient number, since it is larger than the sum of its proper divisors (1).

12361040266643 is an equidigital number, since it uses as much as digits as its factorization.

12361040266643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 12361040266643 in words is "twelve trillion, three hundred sixty-one billion, forty million, two hundred sixty-six thousand, six hundred forty-three".