111343611625 has 16 divisors (see below), whose sum is σ = 139497555600. Its totient is φ = 88728268800.

The previous prime is 111343611487. The next prime is 111343611629. The reversal of 111343611625 is 526116343111.

It can be written as a sum of positive squares in 8 ways, for example, as 25850529961 + 85493081664 = 160781^2 + 292392^2 .

It is not a de Polignac number, because 111343611625 - 2³¹ = 109196127977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111343611629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700850 + ... + 1765099.

It is an arithmetic number, because the mean of its divisors is an integer number (8718597225).

Almost surely, 2^111343611625 is an apocalyptic number.

It is an amenable number.

111343611625 is a deficient number, since it is larger than the sum of its proper divisors (28153943975).

111343611625 is an equidigital number, since it uses as much as digits as its factorization.

111343611625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466221 (or 3466211 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

Adding to 111343611625 its reverse (526116343111), we get a palindrome (637459954736).

The spelling of 111343611625 in words is "one hundred eleven billion, three hundred forty-three million, six hundred eleven thousand, six hundred twenty-five".