12936562779071 has 2 divisors, whose sum is σ = 12936562779072. Its totient is φ = 12936562779070.

The previous prime is 12936562779043. The next prime is 12936562779083. The reversal of 12936562779071 is 17097726563921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12936562779071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12936562778989 and 12936562779007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12936562779011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468281389535 + 6468281389536.

It is an arithmetic number, because the mean of its divisors is an integer number (6468281389536).

Almost surely, 2^{12936562779071} is an apocalyptic number.

12936562779071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936562779071 is an equidigital number, since it uses as much as digits as its factorization.

12936562779071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60011280, while the sum is 65.

The spelling of 12936562779071 in words is "twelve trillion, nine hundred thirty-six billion, five hundred sixty-two million, seven hundred seventy-nine thousand, seventy-one".