27147851065651 has 2 divisors, whose sum is σ = 27147851065652. Its totient is φ = 27147851065650.

The previous prime is 27147851065637. The next prime is 27147851065697. The reversal of 27147851065651 is 15656015874172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27147851065651 - 2¹¹ = 27147851063603 is a prime.

It is not a weakly prime, because it can be changed into another prime (27147851065051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13573925532825 + 13573925532826.

It is an arithmetic number, because the mean of its divisors is an integer number (13573925532826).

Almost surely, 2^{27147851065651} is an apocalyptic number.

27147851065651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27147851065651 is an equidigital number, since it uses as much as digits as its factorization.

27147851065651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112000, while the sum is 58.

The spelling of 27147851065651 in words is "twenty-seven trillion, one hundred forty-seven billion, eight hundred fifty-one million, sixty-five thousand, six hundred fifty-one".