320609428511 has 2 divisors, whose sum is σ = 320609428512. Its totient is φ = 320609428510.

The previous prime is 320609428483. The next prime is 320609428603. The reversal of 320609428511 is 115824906023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320609428511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320609427511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160304714255 + 160304714256.

It is an arithmetic number, because the mean of its divisors is an integer number (160304714256).

Almost surely, 2^320609428511 is an apocalyptic number.

320609428511 is a deficient number, since it is larger than the sum of its proper divisors (1).

320609428511 is an equidigital number, since it uses as much as digits as its factorization.

320609428511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 320609428511 in words is "three hundred twenty billion, six hundred nine million, four hundred twenty-eight thousand, five hundred eleven".