18002485294108 has 72 divisors (see below), whose sum is σ = 37206890179200. Its totient is φ = 7465865948640.

The previous prime is 18002485294097. The next prime is 18002485294109. The reversal of 18002485294108 is 80149258420081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18002485294109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518203803 + ... + 518238541.

It is an arithmetic number, because the mean of its divisors is an integer number (516762363600).

Almost surely, 2^{18002485294108} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18002485294108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18603445089600).

18002485294108 is an abundant number, since it is smaller than the sum of its proper divisors (19204404885092).

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

18002485294108 is a wasteful number, since it uses less digits than its factorization.

18002485294108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54071 (or 54038 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 18002485294108 in words is "eighteen trillion, two billion, four hundred eighty-five million, two hundred ninety-four thousand, one hundred eight".