27471120725 has 12 divisors (see below), whose sum is σ = 35238817860. Its totient is φ = 21219072000.

The previous prime is 27471120707. The next prime is 27471120769. The reversal of 27471120725 is 52702117472.

It can be written as a sum of positive squares in 6 ways, for example, as 813048196 + 26658072529 = 28514^2 + 163273^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27471120725 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18944876 + ... + 18946325.

It is an arithmetic number, because the mean of its divisors is an integer number (2936568155).

Almost surely, 2^27471120725 is an apocalyptic number.

27471120725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27471120725 is a deficient number, since it is larger than the sum of its proper divisors (7767697135).

27471120725 is a wasteful number, since it uses less digits than its factorization.

27471120725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37891240 (or 37891235 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 27471120725 in words is "twenty-seven billion, four hundred seventy-one million, one hundred twenty thousand, seven hundred twenty-five".