27147011191 has 2 divisors, whose sum is σ = 27147011192. Its totient is φ = 27147011190.

The previous prime is 27147011149. The next prime is 27147011233. The reversal of 27147011191 is 19111074172.

It is a balanced prime because it is at equal distance from previous prime (27147011149) and next prime (27147011233).

It is a cyclic number.

It is not a de Polignac number, because 27147011191 - 2⁹ = 27147010679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27147011141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13573505595 + 13573505596.

It is an arithmetic number, because the mean of its divisors is an integer number (13573505596).

Almost surely, 2^27147011191 is an apocalyptic number.

27147011191 is a deficient number, since it is larger than the sum of its proper divisors (1).

27147011191 is an equidigital number, since it uses as much as digits as its factorization.

27147011191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 27147011191 in words is "twenty-seven billion, one hundred forty-seven million, eleven thousand, one hundred ninety-one".