1111100001100 has 36 divisors (see below), whose sum is σ = 2515916877264.
Its totient is φ = 425116521280.
The previous prime is 1111100001097. The next prime is 1111100001119. The reversal of 1111100001100 is 11000011111.
It is a happy number.
It is a zygodrome in base 10.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241541179 + ... + 241545778.
It is an arithmetic number, because the mean of its divisors is an integer number (69886579924).
Almost surely, 21111100001100 is an apocalyptic number.
1111100001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1111100001100 is an abundant number, since it is smaller than the sum of its proper divisors (1404816876164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111100001100 is a wasteful number, since it uses less digits than its factorization.
1111100001100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483086994 (or 483086987 counting only the distinct ones).
The product of its (nonzero) digits is 1, while the sum is 7.
Adding to 1111100001100 its reverse (11000011111), we get a palindrome (1122100012211).
The spelling of 1111100001100 in words is "one trillion, one hundred eleven billion, one hundred million, one thousand, one hundred".