110000999988 has 144 divisors (see below), whose sum is σ = 307187899200. Its totient is φ = 32911464960.

The previous prime is 110000999987. The next prime is 110001000019. The reversal of 110000999988 is 889999000011.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000999987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30061303 + ... + 30064961.

It is an arithmetic number, because the mean of its divisors is an integer number (2133249300).

Almost surely, 2^110000999988 is an apocalyptic number.

110000999988 is a gapful number since it is divisible by the number (18) 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 110000999988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153593949600).

110000999988 is an abundant number, since it is smaller than the sum of its proper divisors (197186899212).

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

110000999988 is a wasteful number, since it uses less digits than its factorization.

110000999988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 54.

Adding to 110000999988 its reverse (889999000011), we get a palindrome (999999999999).

The spelling of 110000999988 in words is "one hundred ten billion, nine hundred ninety-nine thousand, nine hundred eighty-eight".