111445450312 has 16 divisors (see below), whose sum is σ = 238811679360. Its totient is φ = 47762335824.

The previous prime is 111445450309. The next prime is 111445450313. The reversal of 111445450312 is 213054544111.

It is not an unprimeable number, because it can be changed into a prime (111445450313) 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 3 ways as a sum of consecutive naturals, for example, 995048608 + ... + 995048719.

It is an arithmetic number, because the mean of its divisors is an integer number (14925729960).

Almost surely, 2^111445450312 is an apocalyptic number.

It is an amenable number.

111445450312 is an abundant number, since it is smaller than the sum of its proper divisors (127366229048).

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

111445450312 is a wasteful number, since it uses less digits than its factorization.

111445450312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990097340 (or 1990097336 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 111445450312 its reverse (213054544111), we get a palindrome (324499994423).

The spelling of 111445450312 in words is "one hundred eleven billion, four hundred forty-five million, four hundred fifty thousand, three hundred twelve".