503206420255 has 16 divisors (see below), whose sum is σ = 752849086464. Its totient is φ = 313687118880.

The previous prime is 503206420247. The next prime is 503206420273. The reversal of 503206420255 is 552024602305.

It is not a de Polignac number, because 503206420255 - 2³ = 503206420247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503206420255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653514447 + ... + 653515216.

It is an arithmetic number, because the mean of its divisors is an integer number (47053067904).

Almost surely, 2^503206420255 is an apocalyptic number.

503206420255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

503206420255 is a deficient number, since it is larger than the sum of its proper divisors (249642666209).

503206420255 is a wasteful number, since it uses less digits than its factorization.

503206420255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307029686.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 503206420255 in words is "five hundred three billion, two hundred six million, four hundred twenty thousand, two hundred fifty-five".