981344141123711 has 2 divisors, whose sum is σ = 981344141123712. Its totient is φ = 981344141123710.

The previous prime is 981344141123693. The next prime is 981344141123791. The reversal of 981344141123711 is 117321141443189.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 981344141123711 - 2¹⁰ = 981344141122687 is a prime.

It is a super-2 number, since 2×981344141123711² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 981344141123711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981344141123791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490672070561855 + 490672070561856.

It is an arithmetic number, because the mean of its divisors is an integer number (490672070561856).

Almost surely, 2^{981344141123711} is an apocalyptic number.

981344141123711 is a deficient number, since it is larger than the sum of its proper divisors (1).

981344141123711 is an equidigital number, since it uses as much as digits as its factorization.

981344141123711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The spelling of 981344141123711 in words is "nine hundred eighty-one trillion, three hundred forty-four billion, one hundred forty-one million, one hundred twenty-three thousand, seven hundred eleven".