111445143325 has 6 divisors (see below), whose sum is σ = 138191977754. Its totient is φ = 89156114640.

The previous prime is 111445143241. The next prime is 111445143353. The reversal of 111445143325 is 523341544111.

It can be written as a sum of positive squares in 3 ways, for example, as 2055534244 + 109389609081 = 45338^2 + 330741^2 .

It is not a de Polignac number, because 111445143325 - 2⁷ = 111445143197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2228902842 + ... + 2228902891.

Almost surely, 2^111445143325 is an apocalyptic number.

It is an amenable number.

111445143325 is a deficient number, since it is larger than the sum of its proper divisors (26746834429).

111445143325 is an equidigital number, since it uses as much as digits as its factorization.

111445143325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457805743 (or 4457805738 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 111445143325 its reverse (523341544111), we get a palindrome (634786687436).

It can be divided in two parts, 1114451 and 43325, that added together give a square (1157776 = 1076²).

The spelling of 111445143325 in words is "one hundred eleven billion, four hundred forty-five million, one hundred forty-three thousand, three hundred twenty-five".