25604506265267 has 2 divisors, whose sum is σ = 25604506265268. Its totient is φ = 25604506265266.

The previous prime is 25604506265131. The next prime is 25604506265287. The reversal of 25604506265267 is 76256260540652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25604506265267 - 2¹⁸ = 25604506003123 is a prime.

It is not a weakly prime, because it can be changed into another prime (25604506265287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12802253132633 + 12802253132634.

It is an arithmetic number, because the mean of its divisors is an integer number (12802253132634).

Almost surely, 2^{25604506265267} is an apocalyptic number.

25604506265267 is a deficient number, since it is larger than the sum of its proper divisors (1).

25604506265267 is an equidigital number, since it uses as much as digits as its factorization.

25604506265267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 25604506265267 in words is "twenty-five trillion, six hundred four billion, five hundred six million, two hundred sixty-five thousand, two hundred sixty-seven".