12977579011511 has 2 divisors, whose sum is σ = 12977579011512. Its totient is φ = 12977579011510.

The previous prime is 12977579011483. The next prime is 12977579011519. The reversal of 12977579011511 is 11511097577921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12977579011511 - 2²⁶ = 12977511902647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12977579011519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488789505755 + 6488789505756.

It is an arithmetic number, because the mean of its divisors is an integer number (6488789505756).

Almost surely, 2^{12977579011511} is an apocalyptic number.

12977579011511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977579011511 is an equidigital number, since it uses as much as digits as its factorization.

12977579011511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1389150, while the sum is 56.

The spelling of 12977579011511 in words is "twelve trillion, nine hundred seventy-seven billion, five hundred seventy-nine million, eleven thousand, five hundred eleven".