8661135895 has 16 divisors (see below), whose sum is σ = 10793819520. Its totient is φ = 6666748704.

The previous prime is 8661135893. The next prime is 8661135907. The reversal of 8661135895 is 5985311668.

It is not a de Polignac number, because 8661135895 - 2¹ = 8661135893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661135893) 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, 286225 + ... + 315034.

It is an arithmetic number, because the mean of its divisors is an integer number (674613720).

Almost surely, 2^8661135895 is an apocalyptic number.

8661135895 is a deficient number, since it is larger than the sum of its proper divisors (2132683625).

8661135895 is a wasteful number, since it uses less digits than its factorization.

8661135895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601374.

The product of its digits is 1555200, while the sum is 52.

The square root of 8661135895 is about 93065.2238755165. The cubic root of 8661135895 is about 2053.6430082784.

The spelling of 8661135895 in words is "eight billion, six hundred sixty-one million, one hundred thirty-five thousand, eight hundred ninety-five".