135225203055 has 16 divisors (see below), whose sum is σ = 216364892640. Its totient is φ = 72118585728.

The previous prime is 135225203051. The next prime is 135225203059. The reversal of 135225203055 is 550302522531.

It is an interprime number because it is at equal distance from previous prime (135225203051) and next prime (135225203059).

It is not a de Polignac number, because 135225203055 - 2² = 135225203051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135225203051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281069 + ... + 1382601.

It is an arithmetic number, because the mean of its divisors is an integer number (13522805790).

Almost surely, 2^135225203055 is an apocalyptic number.

135225203055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135225203055 is a deficient number, since it is larger than the sum of its proper divisors (81139689585).

135225203055 is a wasteful number, since it uses less digits than its factorization.

135225203055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190330.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 135225203055 its reverse (550302522531), we get a palindrome (685527725586).

The spelling of 135225203055 in words is "one hundred thirty-five billion, two hundred twenty-five million, two hundred three thousand, fifty-five".