27225136311 has 4 divisors (see below), whose sum is σ = 36300181752. Its totient is φ = 18150090872.

The previous prime is 27225136283. The next prime is 27225136313. The reversal of 27225136311 is 11363152272.

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 27225136311 - 2¹⁸ = 27224874167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27225136313) 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, 4537522716 + ... + 4537522721.

It is an arithmetic number, because the mean of its divisors is an integer number (9075045438).

Almost surely, 2^27225136311 is an apocalyptic number.

27225136311 is a deficient number, since it is larger than the sum of its proper divisors (9075045441).

27225136311 is an equidigital number, since it uses as much as digits as its factorization.

27225136311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075045440.

The product of its digits is 15120, while the sum is 33.

Adding to 27225136311 its reverse (11363152272), we get a palindrome (38588288583).

The spelling of 27225136311 in words is "twenty-seven billion, two hundred twenty-five million, one hundred thirty-six thousand, three hundred eleven".