111112340525 has 6 divisors (see below), whose sum is σ = 137779302282. Its totient is φ = 88889872400.

The previous prime is 111112340503. The next prime is 111112340533. The reversal of 111112340525 is 525043211111.

It can be written as a sum of positive squares in 3 ways, for example, as 27797559076 + 83314781449 = 166726^2 + 288643^2 .

It is not a de Polignac number, because 111112340525 - 2¹⁸ = 111112078381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111112340494 and 111112340503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2222246786 + ... + 2222246835.

It is an arithmetic number, because the mean of its divisors is an integer number (22963217047).

Almost surely, 2^111112340525 is an apocalyptic number.

It is an amenable number.

111112340525 is a deficient number, since it is larger than the sum of its proper divisors (26666961757).

111112340525 is an equidigital number, since it uses as much as digits as its factorization.

111112340525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444493631 (or 4444493626 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 111112340525 its reverse (525043211111), we get a palindrome (636155551636).

The spelling of 111112340525 in words is "one hundred eleven billion, one hundred twelve million, three hundred forty thousand, five hundred twenty-five".