216441024311 has 4 divisors (see below), whose sum is σ = 216544934712. Its totient is φ = 216337113912.

The previous prime is 216441024287. The next prime is 216441024323. The reversal of 216441024311 is 113420144612.

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 216441024311 - 2²² = 216436830007 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 (216441023311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51952076 + ... + 51956241.

It is an arithmetic number, because the mean of its divisors is an integer number (54136233678).

Almost surely, 2^216441024311 is an apocalyptic number.

216441024311 is a deficient number, since it is larger than the sum of its proper divisors (103910401).

216441024311 is a wasteful number, since it uses less digits than its factorization.

216441024311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103910400.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 216441024311 its reverse (113420144612), we get a palindrome (329861168923).

The spelling of 216441024311 in words is "two hundred sixteen billion, four hundred forty-one million, twenty-four thousand, three hundred eleven".