6532601528861 has 2 divisors, whose sum is σ = 6532601528862. Its totient is φ = 6532601528860.

The previous prime is 6532601528857. The next prime is 6532601528863. The reversal of 6532601528861 is 1688251062356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6222804648025 + 309796880836 = 2494555^2 + 556594^2 .

It is a cyclic number.

It is not a de Polignac number, because 6532601528861 - 2² = 6532601528857 is a prime.

Together with 6532601528863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6532601528863) 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 as a sum of consecutive naturals, namely, 3266300764430 + 3266300764431.

It is an arithmetic number, because the mean of its divisors is an integer number (3266300764431).

Almost surely, 2^{6532601528861} is an apocalyptic number.

It is an amenable number.

6532601528861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6532601528861 is an equidigital number, since it uses as much as digits as its factorization.

6532601528861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 6532601528861 in words is "six trillion, five hundred thirty-two billion, six hundred one million, five hundred twenty-eight thousand, eight hundred sixty-one".