18265849311360 has 256 divisors, whose sum is σ = 66586513593600. Its totient is φ = 4172125224960.

The previous prime is 18265849311343. The next prime is 18265849311421. The reversal of 18265849311360 is 6311394856281.

It is a self number, because there is not a number n which added to its sum of digits gives 18265849311360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18730230 + ... + 19681290.

It is an arithmetic number, because the mean of its divisors is an integer number (260103568725).

Almost surely, 2^{18265849311360} is an apocalyptic number.

18265849311360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18265849311360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33293256796800).

18265849311360 is an abundant number, since it is smaller than the sum of its proper divisors (48320664282240).

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

18265849311360 is a wasteful number, since it uses less digits than its factorization.

18265849311360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952519 (or 952507 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 18265849311360 in words is "eighteen trillion, two hundred sixty-five billion, eight hundred forty-nine million, three hundred eleven thousand, three hundred sixty".