27048906081 has 6 divisors (see below), whose sum is σ = 39070642130. Its totient is φ = 18032604048.

The previous prime is 27048906047. The next prime is 27048906113. The reversal of 27048906081 is 18060984072.

It can be written as a sum of positive squares in only one way, i.e., 26827491681 + 221414400 = 163791^2 + 14880^2 .

It is not a de Polignac number, because 27048906081 - 2⁷ = 27048905953 is a prime.

It is a super-2 number, since 2×27048906081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27048906011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502716996 + ... + 1502717013.

Almost surely, 2^27048906081 is an apocalyptic number.

It is an amenable number.

27048906081 is a deficient number, since it is larger than the sum of its proper divisors (12021736049).

27048906081 is a wasteful number, since it uses less digits than its factorization.

27048906081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005434015 (or 3005434012 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 27048906081 in words is "twenty-seven billion, forty-eight million, nine hundred six thousand, eighty-one".