27043275081311 has 4 divisors (see below), whose sum is σ = 27077206418472. Its totient is φ = 27009343744152.

The previous prime is 27043275081293. The next prime is 27043275081313. The reversal of 27043275081311 is 11318057234072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27043275081311 - 2¹⁰ = 27043275080287 is a prime.

It is a super-3 number, since 3×27043275081311³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27043275081313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16965667385 + ... + 16965668978.

It is an arithmetic number, because the mean of its divisors is an integer number (6769301604618).

Almost surely, 2^{27043275081311} is an apocalyptic number.

27043275081311 is a deficient number, since it is larger than the sum of its proper divisors (33931337161).

27043275081311 is an equidigital number, since it uses as much as digits as its factorization.

27043275081311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33931337160.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 27043275081311 in words is "twenty-seven trillion, forty-three billion, two hundred seventy-five million, eighty-one thousand, three hundred eleven".