111432420325 has 6 divisors (see below), whose sum is σ = 138176201234. Its totient is φ = 89145936240.

The previous prime is 111432420317. The next prime is 111432420331. The reversal of 111432420325 is 523024234111.

It can be written as a sum of positive squares in 3 ways, for example, as 8027084836 + 103405335489 = 89594^2 + 321567^2 .

It is not a de Polignac number, because 111432420325 - 2³ = 111432420317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111432420293 and 111432420302.

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, 2228648382 + ... + 2228648431.

Almost surely, 2^111432420325 is an apocalyptic number.

It is an amenable number.

111432420325 is a deficient number, since it is larger than the sum of its proper divisors (26743780909).

111432420325 is an equidigital number, since it uses as much as digits as its factorization.

111432420325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457296823 (or 4457296818 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 111432420325 its reverse (523024234111), we get a palindrome (634456654436).

The spelling of 111432420325 in words is "one hundred eleven billion, four hundred thirty-two million, four hundred twenty thousand, three hundred twenty-five".