11100000000 has 324 divisors, whose sum is σ = 37925761832. Its totient is φ = 2880000000.

The previous prime is 11099999969. The next prime is 11100000001. The reversal of 11100000000 is 111.

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

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 (11100000001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 299999982 + ... + 300000018.

Almost surely, 2^11100000000 is an apocalyptic number.

11100000000 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 11100000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18962880916).

11100000000 is an abundant number, since it is smaller than the sum of its proper divisors (26825761832).

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

11100000000 is an frugal number, since it uses more digits than its factorization.

11100000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 3.

Adding to 11100000000 its reverse (111), we get a palindrome (11100000111).

Multiplying 11100000000 by its reverse (111), we get a square (1232100000000 = 1110000²).

11100000000 divided by its reverse (111) gives a 8-th power (100000000 = 10⁸).

The spelling of 11100000000 in words is "eleven billion, one hundred million", and thus it is an aban number.