9108851440640 has 1056 divisors, whose sum is σ = 27007577985024. Its totient is φ = 2935306321920.

The previous prime is 9108851440639. The next prime is 9108851440697. The reversal of 9108851440640 is 460441588019.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66487966652 + ... + 66487966788.

Almost surely, 2^{9108851440640} 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 9108851440640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13503788992512).

9108851440640 is an abundant number, since it is smaller than the sum of its proper divisors (17898726544384).

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

9108851440640 is a wasteful number, since it uses less digits than its factorization.

9108851440640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 9108851440640 in words is "nine trillion, one hundred eight billion, eight hundred fifty-one million, four hundred forty thousand, six hundred forty".