255133521427 has 2 divisors, whose sum is σ = 255133521428. Its totient is φ = 255133521426.

The previous prime is 255133521421. The next prime is 255133521439. The reversal of 255133521427 is 724125331552.

255133521427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255133521427 is a prime.

It is a super-2 number, since 2×255133521427² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255133521427.

It is not a weakly prime, because it can be changed into another prime (255133521421) 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 as a sum of consecutive naturals, namely, 127566760713 + 127566760714.

It is an arithmetic number, because the mean of its divisors is an integer number (127566760714).

Almost surely, 2^255133521427 is an apocalyptic number.

255133521427 is a deficient number, since it is larger than the sum of its proper divisors (1).

255133521427 is an equidigital number, since it uses as much as digits as its factorization.

255133521427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 40.

Adding to 255133521427 its reverse (724125331552), we get a palindrome (979258852979).

The spelling of 255133521427 in words is "two hundred fifty-five billion, one hundred thirty-three million, five hundred twenty-one thousand, four hundred twenty-seven".