320541471705505 has 16 divisors (see below), whose sum is σ = 389530016789760. Its totient is φ = 253183580301568.

The previous prime is 320541471705491. The next prime is 320541471705517. The reversal of 320541471705505 is 505507174145023.

It is a cyclic number.

It is not a de Polignac number, because 320541471705505 - 2¹³ = 320541471697313 is a prime.

It is a super-4 number, since 4×320541471705505⁴ (a number of 59 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243306760 + ... + 244620649.

It is an arithmetic number, because the mean of its divisors is an integer number (24345626049360).

Almost surely, 2^{320541471705505} is an apocalyptic number.

It is an amenable number.

320541471705505 is a deficient number, since it is larger than the sum of its proper divisors (68988545084255).

320541471705505 is a wasteful number, since it uses less digits than its factorization.

320541471705505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487929080.

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 320541471705505 in words is "three hundred twenty trillion, five hundred forty-one billion, four hundred seventy-one million, seven hundred five thousand, five hundred five".