12780527722271 has 4 divisors (see below), whose sum is σ = 12781608905544. Its totient is φ = 12779446539000.

The previous prime is 12780527722267. The next prime is 12780527722351. The reversal of 12780527722271 is 17222772508721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12780527722271 - 2² = 12780527722267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12780527725271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540573905 + ... + 540597546.

It is an arithmetic number, because the mean of its divisors is an integer number (3195402226386).

Almost surely, 2^{12780527722271} is an apocalyptic number.

12780527722271 is a deficient number, since it is larger than the sum of its proper divisors (1081183273).

12780527722271 is a wasteful number, since it uses less digits than its factorization.

12780527722271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081183272.

The product of its (nonzero) digits is 3073280, while the sum is 53.

The spelling of 12780527722271 in words is "twelve trillion, seven hundred eighty billion, five hundred twenty-seven million, seven hundred twenty-two thousand, two hundred seventy-one".