11218818799 has 2 divisors, whose sum is σ = 11218818800. Its totient is φ = 11218818798.

The previous prime is 11218818797. The next prime is 11218818829. The reversal of 11218818799 is 99781881211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11218818799 - 2¹ = 11218818797 is a prime.

Together with 11218818797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11218818797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609409399 + 5609409400.

It is an arithmetic number, because the mean of its divisors is an integer number (5609409400).

Almost surely, 2^11218818799 is an apocalyptic number.

11218818799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11218818799 is an equidigital number, since it uses as much as digits as its factorization.

11218818799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 55.

The spelling of 11218818799 in words is "eleven billion, two hundred eighteen million, eight hundred eighteen thousand, seven hundred ninety-nine".