320215011135345 has 32 divisors (see below), whose sum is σ = 570591945699840. Its totient is φ = 170385094834560.

The previous prime is 320215011135337. The next prime is 320215011135377. The reversal of 320215011135345 is 543531110512023.

It is a happy number.

320215011135345 is a `hidden beast` number, since 3 + 2 + 0 + 2 + 1 + 5 + 0 + 1 + 113 + 534 + 5 = 666.

It is not a de Polignac number, because 320215011135345 - 2³ = 320215011135337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2751639084 + ... + 2751755453.

It is an arithmetic number, because the mean of its divisors is an integer number (17830998303120).

Almost surely, 2^{320215011135345} is an apocalyptic number.

It is an amenable number.

320215011135345 is a deficient number, since it is larger than the sum of its proper divisors (250376934564495).

320215011135345 is a wasteful number, since it uses less digits than its factorization.

320215011135345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503394982 (or 5503394976 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 320215011135345 its reverse (543531110512023), we get a palindrome (863746121647368).

The spelling of 320215011135345 in words is "three hundred twenty trillion, two hundred fifteen billion, eleven million, one hundred thirty-five thousand, three hundred forty-five".