6563156631875 has 10 divisors (see below), whose sum is σ = 8201320527972. Its totient is φ = 5250525305000.

The previous prime is 6563156631869. The next prime is 6563156631877. The reversal of 6563156631875 is 5781366513656.

It is not a de Polignac number, because 6563156631875 - 2¹⁰ = 6563156630851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6563156631877) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5250524681 + ... + 5250525930.

Almost surely, 2^{6563156631875} is an apocalyptic number.

6563156631875 is a deficient number, since it is larger than the sum of its proper divisors (1638163896097).

6563156631875 is an equidigital number, since it uses as much as digits as its factorization.

6563156631875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501050631 (or 10501050616 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 62.

The spelling of 6563156631875 in words is "six trillion, five hundred sixty-three billion, one hundred fifty-six million, six hundred thirty-one thousand, eight hundred seventy-five".