505240064215 has 4 divisors (see below), whose sum is σ = 606288077064. Its totient is φ = 404192051368.

The previous prime is 505240064201. The next prime is 505240064239. The reversal of 505240064215 is 512460042505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505240064215 - 2²³ = 505231675607 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, 50524006417 + ... + 50524006426.

It is an arithmetic number, because the mean of its divisors is an integer number (151572019266).

Almost surely, 2^505240064215 is an apocalyptic number.

505240064215 is a deficient number, since it is larger than the sum of its proper divisors (101048012849).

505240064215 is a wasteful number, since it uses less digits than its factorization.

505240064215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101048012848.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 505240064215 in words is "five hundred five billion, two hundred forty million, sixty-four thousand, two hundred fifteen".