12511173410663 has 2 divisors, whose sum is σ = 12511173410664. Its totient is φ = 12511173410662.

The previous prime is 12511173410657. The next prime is 12511173410753. The reversal of 12511173410663 is 36601437111521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12511173410663 - 2⁴ = 12511173410647 is a prime.

It is a super-2 number, since 2×12511173410663² (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 12511173410663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12511173410063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255586705331 + 6255586705332.

It is an arithmetic number, because the mean of its divisors is an integer number (6255586705332).

Almost surely, 2^{12511173410663} is an apocalyptic number.

12511173410663 is a deficient number, since it is larger than the sum of its proper divisors (1).

12511173410663 is an equidigital number, since it uses as much as digits as its factorization.

12511173410663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 12511173410663 in words is "twelve trillion, five hundred eleven billion, one hundred seventy-three million, four hundred ten thousand, six hundred sixty-three".