320634536611 has 2 divisors, whose sum is σ = 320634536612. Its totient is φ = 320634536610.

The previous prime is 320634536597. The next prime is 320634536617. The reversal of 320634536611 is 116635436023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320634536611 - 2¹³ = 320634528419 is a prime.

It is not a weakly prime, because it can be changed into another prime (320634536617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160317268305 + 160317268306.

It is an arithmetic number, because the mean of its divisors is an integer number (160317268306).

Almost surely, 2^320634536611 is an apocalyptic number.

320634536611 is a deficient number, since it is larger than the sum of its proper divisors (1).

320634536611 is an equidigital number, since it uses as much as digits as its factorization.

320634536611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 320634536611 in words is "three hundred twenty billion, six hundred thirty-four million, five hundred thirty-six thousand, six hundred eleven".