216104061011 has 4 divisors (see below), whose sum is σ = 216106824192. Its totient is φ = 216101297832.

The previous prime is 216104060983. The next prime is 216104061053. The reversal of 216104061011 is 110160401612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216104061011 - 2³⁰ = 215030319187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216104061091) 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, 1260755 + ... + 1421868.

It is an arithmetic number, because the mean of its divisors is an integer number (54026706048).

Almost surely, 2^216104061011 is an apocalyptic number.

216104061011 is a deficient number, since it is larger than the sum of its proper divisors (2763181).

216104061011 is an equidigital number, since it uses as much as digits as its factorization.

216104061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763180.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 216104061011 its reverse (110160401612), we get a palindrome (326264462623).

The spelling of 216104061011 in words is "two hundred sixteen billion, one hundred four million, sixty-one thousand, eleven".