225135122453 has 4 divisors (see below), whose sum is σ = 225293335488. Its totient is φ = 224976909420.

The previous prime is 225135122431. The next prime is 225135122477. The reversal of 225135122453 is 354221531522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225135122453 - 2²⁸ = 224866686997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225135122153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79104383 + ... + 79107228.

It is an arithmetic number, because the mean of its divisors is an integer number (56323333872).

Almost surely, 2^225135122453 is an apocalyptic number.

It is an amenable number.

225135122453 is a deficient number, since it is larger than the sum of its proper divisors (158213035).

225135122453 is a wasteful number, since it uses less digits than its factorization.

225135122453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158213034.

The product of its digits is 72000, while the sum is 35.

Adding to 225135122453 its reverse (354221531522), we get a palindrome (579356653975).

The spelling of 225135122453 in words is "two hundred twenty-five billion, one hundred thirty-five million, one hundred twenty-two thousand, four hundred fifty-three".