255002805503 has 4 divisors (see below), whose sum is σ = 255725193408. Its totient is φ = 254280417600.

The previous prime is 255002805457. The next prime is 255002805509. The reversal of 255002805503 is 305508200552.

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 255002805503 - 2²⁴ = 254986028287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255002805509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361193423 + ... + 361194128.

It is an arithmetic number, because the mean of its divisors is an integer number (63931298352).

Almost surely, 2^255002805503 is an apocalyptic number.

255002805503 is a deficient number, since it is larger than the sum of its proper divisors (722387905).

255002805503 is an equidigital number, since it uses as much as digits as its factorization.

255002805503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722387904.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 255002805503 in words is "two hundred fifty-five billion, two million, eight hundred five thousand, five hundred three".