18522241113 has 8 divisors (see below), whose sum is σ = 25770074688. Its totient is φ = 11811284144.

The previous prime is 18522241097. The next prime is 18522241151. The reversal of 18522241113 is 31114222581.

It is a happy number.

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 18522241113 - 2⁴ = 18522241097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18522241193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134219070 + ... + 134219207.

It is an arithmetic number, because the mean of its divisors is an integer number (3221259336).

Almost surely, 2^18522241113 is an apocalyptic number.

It is an amenable number.

18522241113 is a deficient number, since it is larger than the sum of its proper divisors (7247833575).

18522241113 is a wasteful number, since it uses less digits than its factorization.

18522241113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268438303.

The product of its digits is 3840, while the sum is 30.

Adding to 18522241113 its reverse (31114222581), we get a palindrome (49636463694).

The spelling of 18522241113 in words is "eighteen billion, five hundred twenty-two million, two hundred forty-one thousand, one hundred thirteen".