27356216521204 has 12 divisors (see below), whose sum is σ = 49524185081700. Its totient is φ = 13206449355008.

The previous prime is 27356216521177. The next prime is 27356216521217. The reversal of 27356216521204 is 40212561265372.

It can be written as a sum of positive squares in 2 ways, for example, as 6951933769104 + 20404282752100 = 2636652^2 + 4517110^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117914726269 + ... + 117914726500.

It is an arithmetic number, because the mean of its divisors is an integer number (4127015423475).

Almost surely, 2^{27356216521204} is an apocalyptic number.

It is an amenable number.

27356216521204 is a deficient number, since it is larger than the sum of its proper divisors (22167968560496).

27356216521204 is a wasteful number, since it uses less digits than its factorization.

27356216521204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235829452802 (or 235829452800 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

Adding to 27356216521204 its reverse (40212561265372), we get a palindrome (67568777786576).

The spelling of 27356216521204 in words is "twenty-seven trillion, three hundred fifty-six billion, two hundred sixteen million, five hundred twenty-one thousand, two hundred four".