18518350000002 has 48 divisors (see below), whose sum is σ = 39719735076672. Its totient is φ = 5744822973120.

The previous prime is 18518350000001. The next prime is 18518350000021. The reversal of 18518350000002 is 20000005381581.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18518350000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48821649 + ... + 49199492.

It is an arithmetic number, because the mean of its divisors is an integer number (827494480764).

Almost surely, 2^{18518350000002} is an apocalyptic number.

18518350000002 is an abundant number, since it is smaller than the sum of its proper divisors (21201385076670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18518350000002 is a wasteful number, since it uses less digits than its factorization.

18518350000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98021243 (or 98021206 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

Adding to 18518350000002 its reverse (20000005381581), we get a palindrome (38518355381583).

The spelling of 18518350000002 in words is "eighteen trillion, five hundred eighteen billion, three hundred fifty million, two", and thus it is an aban number.