13711447677781 has 16 divisors (see below), whose sum is σ = 15703202867200. Its totient is φ = 11727939190320.

The previous prime is 13711447677703. The next prime is 13711447677791. The reversal of 13711447677781 is 18777674411731.

It is a cyclic number.

It is not a de Polignac number, because 13711447677781 - 2⁹ = 13711447677269 is a prime.

It is a super-2 number, since 2×13711447677781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13711447677791) 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, 74875870 + ... + 75058768.

It is an arithmetic number, because the mean of its divisors is an integer number (981450179200).

Almost surely, 2^{13711447677781} is an apocalyptic number.

It is an amenable number.

13711447677781 is a deficient number, since it is larger than the sum of its proper divisors (1991755189419).

13711447677781 is a wasteful number, since it uses less digits than its factorization.

13711447677781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205384.

The product of its digits is 38723328, while the sum is 64.

The spelling of 13711447677781 in words is "thirteen trillion, seven hundred eleven billion, four hundred forty-seven million, six hundred seventy-seven thousand, seven hundred eighty-one".