816061045211 has 4 divisors (see below), whose sum is σ = 816807671232. Its totient is φ = 815314419192.

The previous prime is 816061045109. The next prime is 816061045237. The reversal of 816061045211 is 112540160618.

816061045211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112540160618 = 2 ⋅56270080309.

It is a cyclic number.

It is not a de Polignac number, because 816061045211 - 2¹⁸ = 816060783067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816061845211) 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, 373311371 + ... + 373313556.

It is an arithmetic number, because the mean of its divisors is an integer number (204201917808).

Almost surely, 2^816061045211 is an apocalyptic number.

816061045211 is a deficient number, since it is larger than the sum of its proper divisors (746626021).

816061045211 is a wasteful number, since it uses less digits than its factorization.

816061045211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746626020.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 816061045211 in words is "eight hundred sixteen billion, sixty-one million, forty-five thousand, two hundred eleven".