12364266623531 has 2 divisors, whose sum is σ = 12364266623532. Its totient is φ = 12364266623530.

The previous prime is 12364266623519. The next prime is 12364266623539. The reversal of 12364266623531 is 13532666246321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13532666246321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12364266623531 - 2⁴² = 7966220112427 is a prime.

It is a super-2 number, since 2×12364266623531² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12364266623531.

It is not a weakly prime, because it can be changed into another prime (12364266623539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182133311765 + 6182133311766.

It is an arithmetic number, because the mean of its divisors is an integer number (6182133311766).

Almost surely, 2^{12364266623531} is an apocalyptic number.

12364266623531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12364266623531 is an equidigital number, since it uses as much as digits as its factorization.

12364266623531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 50.

The spelling of 12364266623531 in words is "twelve trillion, three hundred sixty-four billion, two hundred sixty-six million, six hundred twenty-three thousand, five hundred thirty-one".