27011728591 has 2 divisors, whose sum is σ = 27011728592. Its totient is φ = 27011728590.

The previous prime is 27011728439. The next prime is 27011728607. The reversal of 27011728591 is 19582711072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27011728591 - 2¹¹ = 27011726543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27011728391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13505864295 + 13505864296.

It is an arithmetic number, because the mean of its divisors is an integer number (13505864296).

Almost surely, 2^27011728591 is an apocalyptic number.

27011728591 is a deficient number, since it is larger than the sum of its proper divisors (1).

27011728591 is an equidigital number, since it uses as much as digits as its factorization.

27011728591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 27011728591 in words is "twenty-seven billion, eleven million, seven hundred twenty-eight thousand, five hundred ninety-one".