505522225505 has 8 divisors (see below), whose sum is σ = 661774549824. Its totient is φ = 367652527600.

The previous prime is 505522225501. The next prime is 505522225511.

505522225505 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505522225505 - 2² = 505522225501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505522225501) 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, 4595656541 + ... + 4595656650.

It is an arithmetic number, because the mean of its divisors is an integer number (82721818728).

Almost surely, 2^505522225505 is an apocalyptic number.

505522225505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505522225505 is a deficient number, since it is larger than the sum of its proper divisors (156252324319).

505522225505 is a wasteful number, since it uses less digits than its factorization.

505522225505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191313207.

The product of its (nonzero) digits is 250000, while the sum is 38.

The spelling of 505522225505 in words is "five hundred five billion, five hundred twenty-two million, two hundred twenty-five thousand, five hundred five".