505252777505 has 8 divisors (see below), whose sum is σ = 692918094912. Its totient is φ = 346459047408.

The previous prime is 505252777481. The next prime is 505252777507. The reversal of 505252777505 is 505777252505.

It is a happy number.

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 505252777505 - 2⁶ = 505252777441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505252777507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7217896787 + ... + 7217896856.

It is an arithmetic number, because the mean of its divisors is an integer number (86614761864).

Almost surely, 2^505252777505 is an apocalyptic number.

It is an amenable number.

505252777505 is a deficient number, since it is larger than the sum of its proper divisors (187665317407).

505252777505 is a wasteful number, since it uses less digits than its factorization.

505252777505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435793655.

The product of its (nonzero) digits is 4287500, while the sum is 50.

The spelling of 505252777505 in words is "five hundred five billion, two hundred fifty-two million, seven hundred seventy-seven thousand, five hundred five".