11111000100000 has 576 divisors, whose sum is σ = 37545990652800. Its totient is φ = 2874769920000.

The previous prime is 11111000099977. The next prime is 11111000100047. The reversal of 11111000100000 is 100011111.

11111000100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4650898806 + ... + 4650901194.

It is an arithmetic number, because the mean of its divisors is an integer number (65184011550).

Almost surely, 2^{11111000100000} is an apocalyptic number.

11111000100000 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 11111000100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18772995326400).

11111000100000 is an abundant number, since it is smaller than the sum of its proper divisors (26434990552800).

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

11111000100000 is an equidigital number, since it uses as much as digits as its factorization.

11111000100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 11111000100000 its reverse (100011111), we get a palindrome (11111100111111).

The spelling of 11111000100000 in words is "eleven trillion, one hundred eleven billion, one hundred thousand".