111443661356 has 24 divisors (see below), whose sum is σ = 195642323184.
Its totient is φ = 55545998400.
The previous prime is 111443661353. The next prime is 111443661367. The reversal of 111443661356 is 653166344111.
It is not an unprimeable number, because it can be changed into a prime (111443661353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3329906 + ... + 3363206.
It is an arithmetic number, because the mean of its divisors is an integer number (8151763466).
Almost surely, 2111443661356 is an apocalyptic number.
It is an amenable number.
111443661356 is a deficient number, since it is larger than the sum of its proper divisors (84198661828).
111443661356 is a wasteful number, since it uses less digits than its factorization.
111443661356 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35921 (or 35919 counting only the distinct ones).
The product of its digits is 155520, while the sum is 41.
The spelling of 111443661356 in words is "one hundred eleven billion, four hundred forty-three million, six hundred sixty-one thousand, three hundred fifty-six".