255502502751 has 4 divisors (see below), whose sum is σ = 340670003672. Its totient is φ = 170335001832.

The previous prime is 255502502747. The next prime is 255502502753. The reversal of 255502502751 is 157205205552.

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

It is not a de Polignac number, because 255502502751 - 2² = 255502502747 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 (255502502753) 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, 42583750456 + ... + 42583750461.

It is an arithmetic number, because the mean of its divisors is an integer number (85167500918).

Almost surely, 2^255502502751 is an apocalyptic number.

255502502751 is a deficient number, since it is larger than the sum of its proper divisors (85167500921).

255502502751 is an equidigital number, since it uses as much as digits as its factorization.

255502502751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85167500920.

The product of its (nonzero) digits is 175000, while the sum is 39.

The spelling of 255502502751 in words is "two hundred fifty-five billion, five hundred two million, five hundred two thousand, seven hundred fifty-one".