505240502135 has 4 divisors (see below), whose sum is σ = 606288602568. Its totient is φ = 404192401704.

The previous prime is 505240501999. The next prime is 505240502183. The reversal of 505240502135 is 531205042505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531205042505 = 5 ⋅106241008501.

It is a cyclic number.

It is not a de Polignac number, because 505240502135 - 2⁸ = 505240501879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50524050209 + ... + 50524050218.

It is an arithmetic number, because the mean of its divisors is an integer number (151572150642).

Almost surely, 2^505240502135 is an apocalyptic number.

505240502135 is a deficient number, since it is larger than the sum of its proper divisors (101048100433).

505240502135 is a wasteful number, since it uses less digits than its factorization.

505240502135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101048100432.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 505240502135 in words is "five hundred five billion, two hundred forty million, five hundred two thousand, one hundred thirty-five".