818320535211 has 8 divisors (see below), whose sum is σ = 1106461569024. Its totient is φ = 537863262440.

The previous prime is 818320535191. The next prime is 818320535237. The reversal of 818320535211 is 112535023818.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 818320535211 - 2⁷ = 818320535083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 818320535211.

It is not an unprimeable number, because it can be changed into a prime (818320335211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920940011 + ... + 1920940436.

It is an arithmetic number, because the mean of its divisors is an integer number (138307696128).

Almost surely, 2^818320535211 is an apocalyptic number.

818320535211 is a deficient number, since it is larger than the sum of its proper divisors (288141033813).

818320535211 is a wasteful number, since it uses less digits than its factorization.

818320535211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841880521.

The product of its (nonzero) digits is 57600, while the sum is 39.

It can be divided in two parts, 818320 and 535211, that added together give a palindrome (1353531).

The spelling of 818320535211 in words is "eight hundred eighteen billion, three hundred twenty million, five hundred thirty-five thousand, two hundred eleven".