27048111605 has 16 divisors (see below), whose sum is σ = 32670649920. Its totient is φ = 21496658688.

The previous prime is 27048111581. The next prime is 27048111611. The reversal of 27048111605 is 50611184072.

It is a cyclic number.

It is not a de Polignac number, because 27048111605 - 2²² = 27043917301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2454989 + ... + 2465981.

It is an arithmetic number, because the mean of its divisors is an integer number (2041915620).

Almost surely, 2^27048111605 is an apocalyptic number.

It is an amenable number.

27048111605 is a deficient number, since it is larger than the sum of its proper divisors (5622538315).

27048111605 is a wasteful number, since it uses less digits than its factorization.

27048111605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14180.

The product of its (nonzero) digits is 13440, while the sum is 35.

Adding to 27048111605 its reverse (50611184072), we get a palindrome (77659295677).

The spelling of 27048111605 in words is "twenty-seven billion, forty-eight million, one hundred eleven thousand, six hundred five".