6534563908811 has 8 divisors (see below), whose sum is σ = 7157534505120. Its totient is φ = 5938102699648.

The previous prime is 6534563908793. The next prime is 6534563908843. The reversal of 6534563908811 is 1188093654356.

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 6534563908811 - 2²⁶ = 6534496799947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534563908871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6627346271 + ... + 6627347256.

It is an arithmetic number, because the mean of its divisors is an integer number (894691813140).

Almost surely, 2^{6534563908811} is an apocalyptic number.

6534563908811 is a deficient number, since it is larger than the sum of its proper divisors (622970596309).

6534563908811 is a wasteful number, since it uses less digits than its factorization.

6534563908811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254693573.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 6534563908811 in words is "six trillion, five hundred thirty-four billion, five hundred sixty-three million, nine hundred eight thousand, eight hundred eleven".