225432111541225 has 12 divisors (see below), whose sum is σ = 279536183755084. Its totient is φ = 180345453462720.

The previous prime is 225432111541211. The next prime is 225432111541229. The reversal of 225432111541225 is 522145111234522.

It can be written as a sum of positive squares in 6 ways, for example, as 60678662701801 + 164753448839424 = 7789651^2 + 12835632^2 .

It is a de Polignac number, because none of the positive numbers 2^k-225432111541225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225432111541229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15073807 + ... + 26040043.

Almost surely, 2^{225432111541225} is an apocalyptic number.

225432111541225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225432111541225 is a deficient number, since it is larger than the sum of its proper divisors (54104072213859).

225432111541225 is a wasteful number, since it uses less digits than its factorization.

225432111541225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788524 (or 11788519 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

Adding to 225432111541225 its reverse (522145111234522), we get a palindrome (747577222775747).

The spelling of 225432111541225 in words is "two hundred twenty-five trillion, four hundred thirty-two billion, one hundred eleven million, five hundred forty-one thousand, two hundred twenty-five".