215160317705745 has 96 divisors (see below), whose sum is σ = 381450348115200. Its totient is φ = 112158984199680.

The previous prime is 215160317705677. The next prime is 215160317705779. The reversal of 215160317705745 is 547507713061512.

215160317705745 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 60 + 3 + 1 + 7 + 7 + 0 + 574 + 5 = 666.

It is not a de Polignac number, because 215160317705745 - 2¹³ = 215160317697553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215160317705691 and 215160317705700.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2773610779 + ... + 2773688351.

It is an arithmetic number, because the mean of its divisors is an integer number (3973441126200).

Almost surely, 2^{215160317705745} is an apocalyptic number.

It is an amenable number.

215160317705745 is a deficient number, since it is larger than the sum of its proper divisors (166290030409455).

215160317705745 is a wasteful number, since it uses less digits than its factorization.

215160317705745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84007 (or 84004 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 54.

The spelling of 215160317705745 in words is "two hundred fifteen trillion, one hundred sixty billion, three hundred seventeen million, seven hundred five thousand, seven hundred forty-five".