321330380852505 has 16 divisors (see below), whose sum is σ = 514714844971584. Its totient is φ = 171180791252160.

The previous prime is 321330380852447. The next prime is 321330380852531. The reversal of 321330380852505 is 505258083033123.

It is not a de Polignac number, because 321330380852505 - 2²³ = 321330372463897 is a prime.

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, 12213228231 + ... + 12213254540.

It is an arithmetic number, because the mean of its divisors is an integer number (32169677810724).

Almost surely, 2^{321330380852505} is an apocalyptic number.

It is an amenable number.

321330380852505 is a deficient number, since it is larger than the sum of its proper divisors (193384464119079).

321330380852505 is a wasteful number, since it uses less digits than its factorization.

321330380852505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24426483656.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 321330380852505 in words is "three hundred twenty-one trillion, three hundred thirty billion, three hundred eighty million, eight hundred fifty-two thousand, five hundred five".