800541210881 has 4 divisors (see below), whose sum is σ = 802653457200. Its totient is φ = 798428964564.

The previous prime is 800541210863. The next prime is 800541210907. The reversal of 800541210881 is 188012145008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 800541210881 - 2²² = 800537016577 is a prime.

It is a super-2 number, since 2×800541210881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800541210811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056122591 + ... + 1056123348.

It is an arithmetic number, because the mean of its divisors is an integer number (200663364300).

Almost surely, 2^800541210881 is an apocalyptic number.

It is an amenable number.

800541210881 is a deficient number, since it is larger than the sum of its proper divisors (2112246319).

800541210881 is a wasteful number, since it uses less digits than its factorization.

800541210881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112246318.

The product of its (nonzero) digits is 20480, while the sum is 38.

Adding to 800541210881 its reverse (188012145008), we get a palindrome (988553355889).

The spelling of 800541210881 in words is "eight hundred billion, five hundred forty-one million, two hundred ten thousand, eight hundred eighty-one".