13677702121071 has 12 divisors (see below), whose sum is σ = 19758101650872. Its totient is φ = 9117812322576.

The previous prime is 13677702121067. The next prime is 13677702121079. The reversal of 13677702121071 is 17012120777631.

13677702121071 is a `hidden beast` number, since 1 + 367 + 7 + 7 + 0 + 2 + 1 + 210 + 71 = 666.

13677702121071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13677702121071 - 2² = 13677702121067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13677702121079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54514396 + ... + 54764721.

It is an arithmetic number, because the mean of its divisors is an integer number (1646508470906).

Almost surely, 2^{13677702121071} is an apocalyptic number.

13677702121071 is a deficient number, since it is larger than the sum of its proper divisors (6080399529801).

13677702121071 is a wasteful number, since it uses less digits than its factorization.

13677702121071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109293030 (or 109293027 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 45.

The spelling of 13677702121071 in words is "thirteen trillion, six hundred seventy-seven billion, seven hundred two million, one hundred twenty-one thousand, seventy-one".