216104041112117 has 2 divisors, whose sum is σ = 216104041112118. Its totient is φ = 216104041112116.

The previous prime is 216104041112087. The next prime is 216104041112161. The reversal of 216104041112117 is 711211140401612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213672066360676 + 2431974751441 = 14617526^2 + 1559479^2 .

It is a cyclic number.

It is not a de Polignac number, because 216104041112117 - 2⁶ = 216104041112053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216104041112017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108052020556058 + 108052020556059.

It is an arithmetic number, because the mean of its divisors is an integer number (108052020556059).

Almost surely, 2^{216104041112117} is an apocalyptic number.

It is an amenable number.

216104041112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

216104041112117 is an equidigital number, since it uses as much as digits as its factorization.

216104041112117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 32.

Adding to 216104041112117 its reverse (711211140401612), we get a palindrome (927315181513729).

The spelling of 216104041112117 in words is "two hundred sixteen trillion, one hundred four billion, forty-one million, one hundred twelve thousand, one hundred seventeen".