320111319999943 has 2 divisors, whose sum is σ = 320111319999944. Its totient is φ = 320111319999942.

The previous prime is 320111319999917. The next prime is 320111320000033. The reversal of 320111319999943 is 349999913111023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320111319999943 - 2⁴¹ = 317912296744391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320111319999043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055659999971 + 160055659999972.

It is an arithmetic number, because the mean of its divisors is an integer number (160055659999972).

Almost surely, 2^{320111319999943} is an apocalyptic number.

320111319999943 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111319999943 is an equidigital number, since it uses as much as digits as its factorization.

320111319999943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12754584, while the sum is 64.

The spelling of 320111319999943 in words is "three hundred twenty trillion, one hundred eleven billion, three hundred nineteen million, nine hundred ninety-nine thousand, nine hundred forty-three".