814805819311 has 12 divisors (see below), whose sum is σ = 896349088656. Its totient is φ = 740123774720.

The previous prime is 814805819279. The next prime is 814805819341. The reversal of 814805819311 is 113918508418.

It is not a de Polignac number, because 814805819311 - 2⁵ = 814805819279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814805819341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2619355 + ... + 2913868.

It is an arithmetic number, because the mean of its divisors is an integer number (74695757388).

Almost surely, 2^814805819311 is an apocalyptic number.

814805819311 is a deficient number, since it is larger than the sum of its proper divisors (81543269345).

814805819311 is a wasteful number, since it uses less digits than its factorization.

814805819311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534462 (or 5534451 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 49.

The spelling of 814805819311 in words is "eight hundred fourteen billion, eight hundred five million, eight hundred nineteen thousand, three hundred eleven".