13891144995071 has 2 divisors, whose sum is σ = 13891144995072. Its totient is φ = 13891144995070.

The previous prime is 13891144995059. The next prime is 13891144995083. The reversal of 13891144995071 is 17059944119831.

It is a balanced prime because it is at equal distance from previous prime (13891144995059) and next prime (13891144995083).

It is an emirp because it is prime and its reverse (17059944119831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13891144995071 - 2²⁶ = 13891077886207 is a prime.

It is a super-2 number, since 2×13891144995071² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13891144994995 and 13891144995013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13891144994071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945572497535 + 6945572497536.

It is an arithmetic number, because the mean of its divisors is an integer number (6945572497536).

Almost surely, 2^{13891144995071} is an apocalyptic number.

13891144995071 is a deficient number, since it is larger than the sum of its proper divisors (1).

13891144995071 is an equidigital number, since it uses as much as digits as its factorization.

13891144995071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 62.

The spelling of 13891144995071 in words is "thirteen trillion, eight hundred ninety-one billion, one hundred forty-four million, nine hundred ninety-five thousand, seventy-one".