320611454744217 has 32 divisors (see below), whose sum is σ = 544274087642880. Its totient is φ = 163282226284800.

The previous prime is 320611454744123. The next prime is 320611454744237. The reversal of 320611454744217 is 712447454116023.

It is not a de Polignac number, because 320611454744217 - 2¹¹ = 320611454742169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320611454744217.

It is not an unprimeable number, because it can be changed into a prime (320611454744237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20248284034 + ... + 20248299867.

It is an arithmetic number, because the mean of its divisors is an integer number (17008565238840).

Almost surely, 2^{320611454744217} is an apocalyptic number.

It is an amenable number.

320611454744217 is a deficient number, since it is larger than the sum of its proper divisors (223662632898663).

320611454744217 is a wasteful number, since it uses less digits than its factorization.

320611454744217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40496583953.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 320611454744217 in words is "three hundred twenty trillion, six hundred eleven billion, four hundred fifty-four million, seven hundred forty-four thousand, two hundred seventeen".