6771102561 has 24 divisors (see below), whose sum is σ = 10425584000. Its totient is φ = 4222344672.

The previous prime is 6771102487. The next prime is 6771102593. The reversal of 6771102561 is 1652011776.

6771102561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6771102561 - 2¹⁴ = 6771086177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6771102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237106 + ... + 264123.

Almost surely, 2^6771102561 is an apocalyptic number.

It is an amenable number.

6771102561 is a deficient number, since it is larger than the sum of its proper divisors (3654481439).

6771102561 is a wasteful number, since it uses less digits than its factorization.

6771102561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501333 (or 501330 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 6771102561 is about 82286.7095040262. The cubic root of 6771102561 is about 1891.8489749822.

The spelling of 6771102561 in words is "six billion, seven hundred seventy-one million, one hundred two thousand, five hundred sixty-one".