255280500505 has 16 divisors (see below), whose sum is σ = 316244302848. Its totient is φ = 197620344000.

The previous prime is 255280500499. The next prime is 255280500509. The reversal of 255280500505 is 505005082552.

It is not a de Polignac number, because 255280500505 - 2⁵ = 255280500473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255280500509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046015 + ... + 2167195.

It is an arithmetic number, because the mean of its divisors is an integer number (19765268928).

Almost surely, 2^255280500505 is an apocalyptic number.

It is an amenable number.

255280500505 is a deficient number, since it is larger than the sum of its proper divisors (60963802343).

255280500505 is a wasteful number, since it uses less digits than its factorization.

255280500505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134808.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 255280500505 in words is "two hundred fifty-five billion, two hundred eighty million, five hundred thousand, five hundred five".