255132517133 has 4 divisors (see below), whose sum is σ = 274758095388. Its totient is φ = 235506938880.

The previous prime is 255132517097. The next prime is 255132517219. The reversal of 255132517133 is 331715231552.

255132517133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90671447689 + 164461069444 = 301117^2 + 405538^2 .

It is a cyclic number.

It is not a de Polignac number, because 255132517133 - 2¹⁰ = 255132516109 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 (255132517033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9812789108 + ... + 9812789133.

It is an arithmetic number, because the mean of its divisors is an integer number (68689523847).

Almost surely, 2^255132517133 is an apocalyptic number.

It is an amenable number.

255132517133 is a deficient number, since it is larger than the sum of its proper divisors (19625578255).

255132517133 is a wasteful number, since it uses less digits than its factorization.

255132517133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19625578254.

The product of its digits is 94500, while the sum is 38.

Adding to 255132517133 its reverse (331715231552), we get a palindrome (586847748685).

The spelling of 255132517133 in words is "two hundred fifty-five billion, one hundred thirty-two million, five hundred seventeen thousand, one hundred thirty-three".