505136236503 has 8 divisors (see below), whose sum is σ = 673523186688. Its totient is φ = 336753388664.

The previous prime is 505136236483. The next prime is 505136236537. The reversal of 505136236503 is 305632631505.

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 505136236503 - 2¹⁷ = 505136105431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505136226503) 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, 725751 + ... + 1239752.

It is an arithmetic number, because the mean of its divisors is an integer number (84190398336).

Almost surely, 2^505136236503 is an apocalyptic number.

505136236503 is a deficient number, since it is larger than the sum of its proper divisors (168386950185).

505136236503 is a wasteful number, since it uses less digits than its factorization.

505136236503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051173.

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 505136236503 in words is "five hundred five billion, one hundred thirty-six million, two hundred thirty-six thousand, five hundred three".