27012251825 has 12 divisors (see below), whose sum is σ = 36071745948. Its totient is φ = 19947508800.

The previous prime is 27012251809. The next prime is 27012251897. The reversal of 27012251825 is 52815221072.

It can be written as a sum of positive squares in 6 ways, for example, as 1960009984 + 25052241841 = 44272^2 + 158279^2 .

It is not a de Polignac number, because 27012251825 - 2⁴ = 27012251809 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41556986 + ... + 41557635.

It is an arithmetic number, because the mean of its divisors is an integer number (3005978829).

Almost surely, 2^27012251825 is an apocalyptic number.

27012251825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27012251825 is a deficient number, since it is larger than the sum of its proper divisors (9059494123).

27012251825 is a wasteful number, since it uses less digits than its factorization.

27012251825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83114644 (or 83114639 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

Adding to 27012251825 its reverse (52815221072), we get a palindrome (79827472897).

The spelling of 27012251825 in words is "twenty-seven billion, twelve million, two hundred fifty-one thousand, eight hundred twenty-five".