505255527803 has 16 divisors (see below), whose sum is σ = 581041708800. Its totient is φ = 435781261440.

The previous prime is 505255527797. The next prime is 505255527809. The reversal of 505255527803 is 308725552505.

It is an interprime number because it is at equal distance from previous prime (505255527797) and next prime (505255527809).

It is a cyclic number.

It is not a de Polignac number, because 505255527803 - 2¹⁶ = 505255462267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505255527809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21604448 + ... + 21627821.

It is an arithmetic number, because the mean of its divisors is an integer number (36315106800).

Almost surely, 2^505255527803 is an apocalyptic number.

505255527803 is a deficient number, since it is larger than the sum of its proper divisors (75786180997).

505255527803 is a wasteful number, since it uses less digits than its factorization.

505255527803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43232342.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 505255527803 in words is "five hundred five billion, two hundred fifty-five million, five hundred twenty-seven thousand, eight hundred three".