255305000503 has 8 divisors (see below), whose sum is σ = 301838424480. Its totient is φ = 211286896800.

The previous prime is 255305000477. The next prime is 255305000527. The reversal of 255305000503 is 305000503552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255305000503 - 2³⁷ = 117866047031 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 (255305000593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628829848 + ... + 628830253.

It is an arithmetic number, because the mean of its divisors is an integer number (37729803060).

Almost surely, 2^255305000503 is an apocalyptic number.

255305000503 is a deficient number, since it is larger than the sum of its proper divisors (46533423977).

255305000503 is a wasteful number, since it uses less digits than its factorization.

255305000503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257660137.

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 255305000503 in words is "two hundred fifty-five billion, three hundred five million, five hundred three", and thus it is an aban number.