12535556082719 has 2 divisors, whose sum is σ = 12535556082720. Its totient is φ = 12535556082718.

The previous prime is 12535556082667. The next prime is 12535556082779. The reversal of 12535556082719 is 91728065553521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12535556082719 - 2²⁴ = 12535539305503 is a prime.

It is a super-2 number, since 2×12535556082719² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12535556082779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267778041359 + 6267778041360.

It is an arithmetic number, because the mean of its divisors is an integer number (6267778041360).

Almost surely, 2^{12535556082719} is an apocalyptic number.

12535556082719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535556082719 is an equidigital number, since it uses as much as digits as its factorization.

12535556082719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680000, while the sum is 59.

The spelling of 12535556082719 in words is "twelve trillion, five hundred thirty-five billion, five hundred fifty-six million, eighty-two thousand, seven hundred nineteen".