8448631520505 has 16 divisors (see below), whose sum is σ = 14746702290624. Its totient is φ = 4096306191680.

The previous prime is 8448631520501. The next prime is 8448631520521. The reversal of 8448631520505 is 5050251368448.

It is not a de Polignac number, because 8448631520505 - 2² = 8448631520501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8448631520501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25601913534 + ... + 25601913863.

It is an arithmetic number, because the mean of its divisors is an integer number (921668893164).

Almost surely, 2^{8448631520505} is an apocalyptic number.

It is an amenable number.

8448631520505 is a deficient number, since it is larger than the sum of its proper divisors (6298070770119).

8448631520505 is a wasteful number, since it uses less digits than its factorization.

8448631520505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51203827416.

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 8448631520505 in words is "eight trillion, four hundred forty-eight billion, six hundred thirty-one million, five hundred twenty thousand, five hundred five".