25025454254159 has 2 divisors, whose sum is σ = 25025454254160. Its totient is φ = 25025454254158.

The previous prime is 25025454254029. The next prime is 25025454254279. The reversal of 25025454254159 is 95145245452052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25025454254159 - 2⁸ = 25025454253903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25025454254159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025454251159) 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, 12512727127079 + 12512727127080.

It is an arithmetic number, because the mean of its divisors is an integer number (12512727127080).

Almost surely, 2^{25025454254159} is an apocalyptic number.

25025454254159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025454254159 is an equidigital number, since it uses as much as digits as its factorization.

25025454254159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400000, while the sum is 53.

The spelling of 25025454254159 in words is "twenty-five trillion, twenty-five billion, four hundred fifty-four million, two hundred fifty-four thousand, one hundred fifty-nine".