320711065005 has 64 divisors (see below), whose sum is σ = 553053070080. Its totient is φ = 158123667456.

The previous prime is 320711064991. The next prime is 320711065019. The reversal of 320711065005 is 500560117023.

It is an interprime number because it is at equal distance from previous prime (320711064991) and next prime (320711065019).

It is not a de Polignac number, because 320711065005 - 2⁹ = 320711064493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3617751 + ... + 3705339.

It is an arithmetic number, because the mean of its divisors is an integer number (8641454220).

Almost surely, 2^320711065005 is an apocalyptic number.

It is an amenable number.

320711065005 is a deficient number, since it is larger than the sum of its proper divisors (232342005075).

320711065005 is a wasteful number, since it uses less digits than its factorization.

320711065005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87870.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 320711065005 in words is "three hundred twenty billion, seven hundred eleven million, sixty-five thousand, five".