811850941320 has 64 divisors (see below), whose sum is σ = 2436422742720. Its totient is φ = 216416258304.

The previous prime is 811850941249. The next prime is 811850941339. The reversal of 811850941320 is 23149058118.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870459 + ... + 1543178.

It is an arithmetic number, because the mean of its divisors is an integer number (38069105355).

Almost surely, 2^811850941320 is an apocalyptic number.

It is an amenable number.

811850941320 is an abundant number, since it is smaller than the sum of its proper divisors (1624571801400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811850941320 is a wasteful number, since it uses less digits than its factorization.

811850941320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416454 (or 2416450 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

Adding to 811850941320 its reverse (23149058118), we get a palindrome (834999999438).

The spelling of 811850941320 in words is "eight hundred eleven billion, eight hundred fifty million, nine hundred forty-one thousand, three hundred twenty".