27348218911 has 4 divisors (see below), whose sum is σ = 29451928072. Its totient is φ = 25244509752.

The previous prime is 27348218893. The next prime is 27348218939. The reversal of 27348218911 is 11981284372.

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 27348218911 - 2¹³ = 27348210719 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 (27348218111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051854561 + ... + 1051854586.

It is an arithmetic number, because the mean of its divisors is an integer number (7362982018).

Almost surely, 2^27348218911 is an apocalyptic number.

27348218911 is a deficient number, since it is larger than the sum of its proper divisors (2103709161).

27348218911 is a wasteful number, since it uses less digits than its factorization.

27348218911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103709160.

The product of its digits is 193536, while the sum is 46.

The spelling of 27348218911 in words is "twenty-seven billion, three hundred forty-eight million, two hundred eighteen thousand, nine hundred eleven".