255223520507 has 4 divisors (see below), whose sum is σ = 255238937040. Its totient is φ = 255208103976.

The previous prime is 255223520491. The next prime is 255223520509. The reversal of 255223520507 is 705025322552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255223520507 - 2⁴ = 255223520491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255223520509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7683407 + ... + 7716552.

It is an arithmetic number, because the mean of its divisors is an integer number (63809734260).

Almost surely, 2^255223520507 is an apocalyptic number.

255223520507 is a deficient number, since it is larger than the sum of its proper divisors (15416533).

255223520507 is a wasteful number, since it uses less digits than its factorization.

255223520507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15416532.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 255223520507 in words is "two hundred fifty-five billion, two hundred twenty-three million, five hundred twenty thousand, five hundred seven".