255278025503 has 8 divisors (see below), whose sum is σ = 258015084096. Its totient is φ = 252545076000.

The previous prime is 255278025467. The next prime is 255278025521. The reversal of 255278025503 is 305520872552.

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

It is a cyclic number.

It is not a de Polignac number, because 255278025503 - 2⁶ = 255278025439 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 (255278025103) 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 7 ways as a sum of consecutive naturals, for example, 902276 + ... + 1150937.

It is an arithmetic number, because the mean of its divisors is an integer number (32251885512).

Almost surely, 2^255278025503 is an apocalyptic number.

255278025503 is a deficient number, since it is larger than the sum of its proper divisors (2737058593).

255278025503 is a wasteful number, since it uses less digits than its factorization.

255278025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054545.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 255278025503 in words is "two hundred fifty-five billion, two hundred seventy-eight million, twenty-five thousand, five hundred three".