18213116411 has 8 divisors (see below), whose sum is σ = 20906688000. Its totient is φ = 15542469288.

The previous prime is 18213116401. The next prime is 18213116429. The reversal of 18213116411 is 11461131281.

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 18213116411 - 2⁶ = 18213116347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18213116401) 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, 5729411 + ... + 5732588.

It is an arithmetic number, because the mean of its divisors is an integer number (2613336000).

Almost surely, 2^18213116411 is an apocalyptic number.

18213116411 is a deficient number, since it is larger than the sum of its proper divisors (2693571589).

18213116411 is a wasteful number, since it uses less digits than its factorization.

18213116411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462233.

The product of its digits is 1152, while the sum is 29.

Adding to 18213116411 its reverse (11461131281), we get a palindrome (29674247692).

The spelling of 18213116411 in words is "eighteen billion, two hundred thirteen million, one hundred sixteen thousand, four hundred eleven".