216204243115523 has 8 divisors (see below), whose sum is σ = 234377294627616. Its totient is φ = 198251471016000.

The previous prime is 216204243115477. The next prime is 216204243115733. The reversal of 216204243115523 is 325511342402612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216204243115523 - 2³⁶ = 216135523638787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216204243112523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55069851098 + ... + 55069855023.

It is an arithmetic number, because the mean of its divisors is an integer number (29297161828452).

Almost surely, 2^{216204243115523} is an apocalyptic number.

216204243115523 is a deficient number, since it is larger than the sum of its proper divisors (18173051512093).

216204243115523 is a wasteful number, since it uses less digits than its factorization.

216204243115523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110139706285.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 216204243115523 in words is "two hundred sixteen trillion, two hundred four billion, two hundred forty-three million, one hundred fifteen thousand, five hundred twenty-three".