111444405543012 has 48 divisors (see below), whose sum is σ = 275362124147712. Its totient is φ = 34959282577920.

The previous prime is 111444405542983. The next prime is 111444405543041. The reversal of 111444405543012 is 210345504444111.

It is an interprime number because it is at equal distance from previous prime (111444405542983) and next prime (111444405543041).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26708164 + ... + 30597627.

It is an arithmetic number, because the mean of its divisors is an integer number (5736710919744).

Almost surely, 2^{111444405543012} is an apocalyptic number.

111444405543012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111444405543012 is an abundant number, since it is smaller than the sum of its proper divisors (163917718604700).

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

111444405543012 is a wasteful number, since it uses less digits than its factorization.

111444405543012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57315348 (or 57315346 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 111444405543012 its reverse (210345504444111), we get a palindrome (321789909987123).

The spelling of 111444405543012 in words is "one hundred eleven trillion, four hundred forty-four billion, four hundred five million, five hundred forty-three thousand, twelve".