25027015563427 has 2 divisors, whose sum is σ = 25027015563428. Its totient is φ = 25027015563426.

The previous prime is 25027015563409. The next prime is 25027015563437. The reversal of 25027015563427 is 72436551072052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25027015563427 - 2¹⁵ = 25027015530659 is a prime.

It is not a weakly prime, because it can be changed into another prime (25027015563437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513507781713 + 12513507781714.

It is an arithmetic number, because the mean of its divisors is an integer number (12513507781714).

Almost surely, 2^{25027015563427} is an apocalyptic number.

25027015563427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25027015563427 is an equidigital number, since it uses as much as digits as its factorization.

25027015563427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 25027015563427 in words is "twenty-five trillion, twenty-seven billion, fifteen million, five hundred sixty-three thousand, four hundred twenty-seven".