9801111088 has 40 divisors (see below), whose sum is σ = 20453998400. Its totient is φ = 4534657344.

The previous prime is 9801111077. The next prime is 9801111091. The reversal of 9801111088 is 8801111089.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361818 + ... + 387961.

It is an arithmetic number, because the mean of its divisors is an integer number (511349960).

Almost surely, 2^9801111088 is an apocalyptic number.

It is an amenable number.

9801111088 is an abundant number, since it is smaller than the sum of its proper divisors (10652887312).

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

9801111088 is a wasteful number, since it uses less digits than its factorization.

9801111088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749849 (or 749843 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 37.

The square root of 9801111088 is about 99000.5610489153. The cubic root of 9801111088 is about 2140.0558322406.

Subtracting from 9801111088 its reverse (8801111089), we obtain a palindrome (999999999).

The spelling of 9801111088 in words is "nine billion, eight hundred one million, one hundred eleven thousand, eighty-eight".