255376305135 has 48 divisors (see below), whose sum is σ = 532514012160. Its totient is φ = 110599058880.

The previous prime is 255376305133. The next prime is 255376305161. The reversal of 255376305135 is 531503673552.

255376305135 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 7 + 630 + 5 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 255376305135 - 2¹ = 255376305133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255376305133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21328711 + ... + 21340680.

It is an arithmetic number, because the mean of its divisors is an integer number (11094041920).

Almost surely, 2^255376305135 is an apocalyptic number.

255376305135 is an abundant number, since it is smaller than the sum of its proper divisors (277137707025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255376305135 is a wasteful number, since it uses less digits than its factorization.

255376305135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42669428 (or 42669425 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 45.

Adding to 255376305135 its reverse (531503673552), we get a palindrome (786879978687).

The spelling of 255376305135 in words is "two hundred fifty-five billion, three hundred seventy-six million, three hundred five thousand, one hundred thirty-five".