320111051491927 has 2 divisors, whose sum is σ = 320111051491928. Its totient is φ = 320111051491926.

The previous prime is 320111051491817. The next prime is 320111051491993. The reversal of 320111051491927 is 729194150111023.

It is a strong prime.

It is an emirp because it is prime and its reverse (729194150111023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320111051491927 - 2¹⁵ = 320111051459159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320111051491997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055525745963 + 160055525745964.

It is an arithmetic number, because the mean of its divisors is an integer number (160055525745964).

Almost surely, 2^{320111051491927} is an apocalyptic number.

320111051491927 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111051491927 is an equidigital number, since it uses as much as digits as its factorization.

320111051491927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 320111051491927 in words is "three hundred twenty trillion, one hundred eleven billion, fifty-one million, four hundred ninety-one thousand, nine hundred twenty-seven".