12771376539539 has 8 divisors (see below), whose sum is σ = 12797135712000. Its totient is φ = 12745618029000.

The previous prime is 12771376539503. The next prime is 12771376539613. The reversal of 12771376539539 is 93593567317721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12771376539539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12771376532539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61728314 + ... + 61934864.

It is an arithmetic number, because the mean of its divisors is an integer number (1599641964000).

Almost surely, 2^{12771376539539} is an apocalyptic number.

12771376539539 is a deficient number, since it is larger than the sum of its proper divisors (25759172461).

12771376539539 is a wasteful number, since it uses less digits than its factorization.

12771376539539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330961.

The product of its digits is 225042300, while the sum is 68.

The spelling of 12771376539539 in words is "twelve trillion, seven hundred seventy-one billion, three hundred seventy-six million, five hundred thirty-nine thousand, five hundred thirty-nine".