111244343145 has 32 divisors (see below), whose sum is σ = 191914060800. Its totient is φ = 54700303104.

The previous prime is 111244343143. The next prime is 111244343149. The reversal of 111244343145 is 541343442111.

It is not a de Polignac number, because 111244343145 - 2¹ = 111244343143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111244343141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182425 + ... + 505734.

It is an arithmetic number, because the mean of its divisors is an integer number (5997314400).

Almost surely, 2^111244343145 is an apocalyptic number.

111244343145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111244343145 is a deficient number, since it is larger than the sum of its proper divisors (80669717655).

111244343145 is a wasteful number, since it uses less digits than its factorization.

111244343145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689009.

The product of its digits is 23040, while the sum is 33.

Adding to 111244343145 its reverse (541343442111), we get a palindrome (652587785256).

The spelling of 111244343145 in words is "one hundred eleven billion, two hundred forty-four million, three hundred forty-three thousand, one hundred forty-five".