13043872771 has 16 divisors (see below), whose sum is σ = 13444579584. Its totient is φ = 12649444704.

The previous prime is 13043872757. The next prime is 13043872781. The reversal of 13043872771 is 17727834031.

It is not a de Polignac number, because 13043872771 - 2⁷ = 13043872643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13043872781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759416 + ... + 2764138.

It is an arithmetic number, because the mean of its divisors is an integer number (840286224).

Almost surely, 2^13043872771 is an apocalyptic number.

13043872771 is a deficient number, since it is larger than the sum of its proper divisors (400706813).

13043872771 is a wasteful number, since it uses less digits than its factorization.

13043872771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 13043872771 in words is "thirteen billion, forty-three million, eight hundred seventy-two thousand, seven hundred seventy-one".