11000111111200 has 144 divisors (see below), whose sum is σ = 27463208492160. Its totient is φ = 4301331840000.

The previous prime is 11000111111189. The next prime is 11000111111243. The reversal of 11000111111200 is 211111100011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5521555 + ... + 7244845.

It is an arithmetic number, because the mean of its divisors is an integer number (190716725640).

Almost surely, 2^{11000111111200} is an apocalyptic number.

11000111111200 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 11000111111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13731604246080).

11000111111200 is an abundant number, since it is smaller than the sum of its proper divisors (16463097380960).

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

11000111111200 is a wasteful number, since it uses less digits than its factorization.

11000111111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723491 (or 1723478 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11000111111200 its reverse (211111100011), we get a palindrome (11211222211211).

The spelling of 11000111111200 in words is "eleven trillion, one hundred eleven million, one hundred eleven thousand, two hundred".