255133521541 has 4 divisors (see below), whose sum is σ = 255864563500. Its totient is φ = 254402479584.

The previous prime is 255133521457. The next prime is 255133521563. The reversal of 255133521541 is 145125331552.

255133521541 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 66889476900 + 188244044641 = 258630^2 + 433871^2 .

It is a cyclic number.

It is not a de Polignac number, because 255133521541 - 2³⁵ = 220773783173 is a prime.

It is a super-2 number, since 2×255133521541² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255133521541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255133521341) 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, 365520456 + ... + 365521153.

It is an arithmetic number, because the mean of its divisors is an integer number (63966140875).

Almost surely, 2^255133521541 is an apocalyptic number.

It is an amenable number.

255133521541 is a deficient number, since it is larger than the sum of its proper divisors (731041959).

255133521541 is an equidigital number, since it uses as much as digits as its factorization.

255133521541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731041958.

The product of its digits is 90000, while the sum is 37.

The spelling of 255133521541 in words is "two hundred fifty-five billion, one hundred thirty-three million, five hundred twenty-one thousand, five hundred forty-one".