27130125425 has 24 divisors (see below), whose sum is σ = 36317909880. Its totient is φ = 19985472000.

The previous prime is 27130125419. The next prime is 27130125431. The reversal of 27130125425 is 52452103172.

It is an interprime number because it is at equal distance from previous prime (27130125419) and next prime (27130125431).

It can be written as a sum of positive squares in 12 ways, for example, as 1116629056 + 26013496369 = 33416^2 + 161287^2 .

It is not a de Polignac number, because 27130125425 - 2¹² = 27130121329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27130125391 and 27130125400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30875 + ... + 234975.

It is an arithmetic number, because the mean of its divisors is an integer number (1513246245).

Almost surely, 2^27130125425 is an apocalyptic number.

27130125425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27130125425 is a deficient number, since it is larger than the sum of its proper divisors (9187784455).

27130125425 is a wasteful number, since it uses less digits than its factorization.

27130125425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204533 (or 204528 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 27130125425 its reverse (52452103172), we get a palindrome (79582228597).

The spelling of 27130125425 in words is "twenty-seven billion, one hundred thirty million, one hundred twenty-five thousand, four hundred twenty-five".