255442343055135 has 16 divisors (see below), whose sum is σ = 414807864544896. Its totient is φ = 134202544410528.

The previous prime is 255442343055091. The next prime is 255442343055149. The reversal of 255442343055135 is 531550343244552.

It is not a de Polignac number, because 255442343055135 - 2²³ = 255442334666527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127085741809 + ... + 127085743818.

It is an arithmetic number, because the mean of its divisors is an integer number (25925491534056).

Almost surely, 2^{255442343055135} is an apocalyptic number.

255442343055135 is a deficient number, since it is larger than the sum of its proper divisors (159365521489761).

255442343055135 is a wasteful number, since it uses less digits than its factorization.

255442343055135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254171485702.

The product of its (nonzero) digits is 21600000, while the sum is 51.

Adding to 255442343055135 its reverse (531550343244552), we get a palindrome (786992686299687).

The spelling of 255442343055135 in words is "two hundred fifty-five trillion, four hundred forty-two billion, three hundred forty-three million, fifty-five thousand, one hundred thirty-five".