18003415000008 has 64 divisors (see below), whose sum is σ = 46255580219520. Its totient is φ = 5835080678400.

The previous prime is 18003414999893. The next prime is 18003415000009. The reversal of 18003415000008 is 80000051430081.

It is not an unprimeable number, because it can be changed into a prime (18003415000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5367073 + ... + 8050608.

It is an arithmetic number, because the mean of its divisors is an integer number (722743440930).

Almost surely, 2^{18003415000008} is an apocalyptic number.

It is an amenable number.

18003415000008 is an abundant number, since it is smaller than the sum of its proper divisors (28252165219512).

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

18003415000008 is a wasteful number, since it uses less digits than its factorization.

18003415000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419238 (or 13419234 counting only the distinct ones).

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

Adding to 18003415000008 its reverse (80000051430081), we get a palindrome (98003466430089).

The spelling of 18003415000008 in words is "eighteen trillion, three billion, four hundred fifteen million, eight", and thus it is an aban number.