9109918892088 has 96 divisors (see below), whose sum is σ = 28200231377760. Its totient is φ = 2602569657600.

The previous prime is 9109918892057. The next prime is 9109918892089. The reversal of 9109918892088 is 8802988199019.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9109918892089) 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, 4077306 + ... + 5902902.

It is an arithmetic number, because the mean of its divisors is an integer number (293752410185).

Almost surely, 2^{9109918892088} is an apocalyptic number.

It is an amenable number.

9109918892088 is an abundant number, since it is smaller than the sum of its proper divisors (19090312485672).

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

9109918892088 is a wasteful number, since it uses less digits than its factorization.

9109918892088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835517 (or 1835510 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 72.

The spelling of 9109918892088 in words is "nine trillion, one hundred nine billion, nine hundred eighteen million, eight hundred ninety-two thousand, eighty-eight".