25269226079087 has 2 divisors, whose sum is σ = 25269226079088. Its totient is φ = 25269226079086.

The previous prime is 25269226079077. The next prime is 25269226079089. The reversal of 25269226079087 is 78097062296252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25269226079087 is a prime.

Together with 25269226079089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25269226079089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634613039543 + 12634613039544.

It is an arithmetic number, because the mean of its divisors is an integer number (12634613039544).

Almost surely, 2^{25269226079087} is an apocalyptic number.

25269226079087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25269226079087 is an equidigital number, since it uses as much as digits as its factorization.

25269226079087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 25269226079087 in words is "twenty-five trillion, two hundred sixty-nine billion, two hundred twenty-six million, seventy-nine thousand, eighty-seven".