225132535121 has 8 divisors (see below), whose sum is σ = 243416363904. Its totient is φ = 206986698000.

The previous prime is 225132535087. The next prime is 225132535123. The reversal of 225132535121 is 121535231522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225132535121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225132535123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34494521 + ... + 34501046.

It is an arithmetic number, because the mean of its divisors is an integer number (30427045488).

Almost surely, 2^225132535121 is an apocalyptic number.

It is an amenable number.

225132535121 is a deficient number, since it is larger than the sum of its proper divisors (18283828783).

225132535121 is a wasteful number, since it uses less digits than its factorization.

225132535121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68995831.

The product of its digits is 18000, while the sum is 32.

Adding to 225132535121 its reverse (121535231522), we get a palindrome (346667766643).

The spelling of 225132535121 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred thirty-five thousand, one hundred twenty-one".