8556649545601 has 8 divisors (see below), whose sum is σ = 8676116574624. Its totient is φ = 8437243399200.

The previous prime is 8556649545589. The next prime is 8556649545637. The reversal of 8556649545601 is 1065459466558.

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 8556649545601 - 2¹¹ = 8556649543553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8556649545901) 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, 14937571 + ... + 15499816.

It is an arithmetic number, because the mean of its divisors is an integer number (1084514571828).

Almost surely, 2^{8556649545601} is an apocalyptic number.

It is an amenable number.

8556649545601 is a deficient number, since it is larger than the sum of its proper divisors (119467029023).

8556649545601 is a wasteful number, since it uses less digits than its factorization.

8556649545601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30441311.

The product of its (nonzero) digits is 155520000, while the sum is 64.

The spelling of 8556649545601 in words is "eight trillion, five hundred fifty-six billion, six hundred forty-nine million, five hundred forty-five thousand, six hundred one".