320185680011 has 2 divisors, whose sum is σ = 320185680012. Its totient is φ = 320185680010.

The previous prime is 320185679987. The next prime is 320185680041. The reversal of 320185680011 is 110086581023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320185680011 is a prime.

It is not a weakly prime, because it can be changed into another prime (320185680041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160092840005 + 160092840006.

It is an arithmetic number, because the mean of its divisors is an integer number (160092840006).

Almost surely, 2^320185680011 is an apocalyptic number.

320185680011 is a deficient number, since it is larger than the sum of its proper divisors (1).

320185680011 is an equidigital number, since it uses as much as digits as its factorization.

320185680011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 320185680011 in words is "three hundred twenty billion, one hundred eighty-five million, six hundred eighty thousand, eleven".