225135055140 has 48 divisors (see below), whose sum is σ = 647415408192. Its totient is φ = 58413419136.

The previous prime is 225135055087. The next prime is 225135055141. The reversal of 225135055140 is 41550531522.

It is not an unprimeable number, because it can be changed into a prime (225135055141) 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, 50703874 + ... + 50708313.

It is an arithmetic number, because the mean of its divisors is an integer number (13487821004).

Almost surely, 2^225135055140 is an apocalyptic number.

225135055140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225135055140 is an abundant number, since it is smaller than the sum of its proper divisors (422280353052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225135055140 is a wasteful number, since it uses less digits than its factorization.

225135055140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101412236 (or 101412234 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 225135055140 its reverse (41550531522), we get a palindrome (266685586662).

The spelling of 225135055140 in words is "two hundred twenty-five billion, one hundred thirty-five million, fifty-five thousand, one hundred forty".