255005002505 has 32 divisors (see below), whose sum is σ = 356961230208. Its totient is φ = 172820608000.

The previous prime is 255005002493. The next prime is 255005002517. The reversal of 255005002505 is 505200500552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255005002493) and next prime (255005002517).

It is not a de Polignac number, because 255005002505 - 2²² = 255000808201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255727 + ... + 1444596.

It is an arithmetic number, because the mean of its divisors is an integer number (11155038444).

Almost surely, 2^255005002505 is an apocalyptic number.

It is an amenable number.

255005002505 is a deficient number, since it is larger than the sum of its proper divisors (101956227703).

255005002505 is a wasteful number, since it uses less digits than its factorization.

255005002505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700457.

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 255005002505 in words is "two hundred fifty-five billion, five million, two thousand, five hundred five".