6561152608787 has 8 divisors (see below), whose sum is σ = 7539888082272. Its totient is φ = 5592774124800.

The previous prime is 6561152608771. The next prime is 6561152608811. The reversal of 6561152608787 is 7878062511656.

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 6561152608787 - 2⁴ = 6561152608771 is a prime.

It is a super-2 number, since 2×6561152608787² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6561152688787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589246014 + ... + 2589248547.

It is an arithmetic number, because the mean of its divisors is an integer number (942486010284).

Almost surely, 2^{6561152608787} is an apocalyptic number.

6561152608787 is a deficient number, since it is larger than the sum of its proper divisors (978735473485).

6561152608787 is a wasteful number, since it uses less digits than its factorization.

6561152608787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178494749.

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 6561152608787 in words is "six trillion, five hundred sixty-one billion, one hundred fifty-two million, six hundred eight thousand, seven hundred eighty-seven".