1381084982171 has 2 divisors, whose sum is σ = 1381084982172. Its totient is φ = 1381084982170.

The previous prime is 1381084982153. The next prime is 1381084982203. The reversal of 1381084982171 is 1712894801831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1712894801831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1381084982171 - 2¹⁴ = 1381084965787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1381084982671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690542491085 + 690542491086.

It is an arithmetic number, because the mean of its divisors is an integer number (690542491086).

Almost surely, 2^{1381084982171} is an apocalyptic number.

1381084982171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381084982171 is an equidigital number, since it uses as much as digits as its factorization.

1381084982171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 53.

The spelling of 1381084982171 in words is "one trillion, three hundred eighty-one billion, eighty-four million, nine hundred eighty-two thousand, one hundred seventy-one".