13851344017071 has 64 divisors (see below), whose sum is σ = 22633893089280. Its totient is φ = 8301990960000.

The previous prime is 13851344017031. The next prime is 13851344017139. The reversal of 13851344017071 is 17071044315831.

13851344017071 is a `hidden beast` number, since 1 + 3 + 85 + 1 + 34 + 401 + 70 + 71 = 666.

It is not a de Polignac number, because 13851344017071 - 2¹⁴ = 13851344000687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851344017031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25619881 + ... + 26154941.

It is an arithmetic number, because the mean of its divisors is an integer number (353654579520).

Almost surely, 2^{13851344017071} is an apocalyptic number.

13851344017071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13851344017071 is a deficient number, since it is larger than the sum of its proper divisors (8782549072209).

13851344017071 is a wasteful number, since it uses less digits than its factorization.

13851344017071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536045 (or 536039 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 13851344017071 in words is "thirteen trillion, eight hundred fifty-one billion, three hundred forty-four million, seventeen thousand, seventy-one".