27137418311 has 4 divisors (see below), whose sum is σ = 27138843624. Its totient is φ = 27135993000.

The previous prime is 27137418299. The next prime is 27137418323. The reversal of 27137418311 is 11381473172.

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

It is an interprime number because it is at equal distance from previous prime (27137418299) and next prime (27137418323).

It is a cyclic number.

It is not a de Polignac number, because 27137418311 - 2¹⁰ = 27137417287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27137418911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683705 + ... + 722306.

It is an arithmetic number, because the mean of its divisors is an integer number (6784710906).

Almost surely, 2^27137418311 is an apocalyptic number.

27137418311 is a deficient number, since it is larger than the sum of its proper divisors (1425313).

27137418311 is a wasteful number, since it uses less digits than its factorization.

27137418311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425312.

The product of its digits is 28224, while the sum is 38.

The spelling of 27137418311 in words is "twenty-seven billion, one hundred thirty-seven million, four hundred eighteen thousand, three hundred eleven".