217165142411 has 8 divisors (see below), whose sum is σ = 248191997664. Its totient is φ = 186139103040.

The previous prime is 217165142339. The next prime is 217165142459. The reversal of 217165142411 is 114241561712.

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 217165142411 - 2¹⁸ = 217164880267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217165142471) 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, 554381 + ... + 861201.

It is an arithmetic number, because the mean of its divisors is an integer number (31023999708).

Almost surely, 2^217165142411 is an apocalyptic number.

217165142411 is a deficient number, since it is larger than the sum of its proper divisors (31026855253).

217165142411 is a wasteful number, since it uses less digits than its factorization.

217165142411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407941.

The product of its digits is 13440, while the sum is 35.

The spelling of 217165142411 in words is "two hundred seventeen billion, one hundred sixty-five million, one hundred forty-two thousand, four hundred eleven".