111100110001000 has 128 divisors (see below), whose sum is σ = 260257374000000. Its totient is φ = 44391669504000.

The previous prime is 111100110000977. The next prime is 111100110001031. The reversal of 111100110001000 is 100011001111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5169600255 + ... + 5169621745.

It is an arithmetic number, because the mean of its divisors is an integer number (2033260734375).

Almost surely, 2^{111100110001000} is an apocalyptic number.

111100110001000 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 111100110001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130128687000000).

111100110001000 is an abundant number, since it is smaller than the sum of its proper divisors (149157263999000).

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

111100110001000 is a wasteful number, since it uses less digits than its factorization.

111100110001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26900 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111100110001000 its reverse (100011001111), we get a palindrome (111200121002111).

The spelling of 111100110001000 in words is "one hundred eleven trillion, one hundred billion, one hundred ten million, one thousand".