25320555012227 has 2 divisors, whose sum is σ = 25320555012228. Its totient is φ = 25320555012226.

The previous prime is 25320555012199. The next prime is 25320555012253. The reversal of 25320555012227 is 72221055502352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25320555012227 - 2⁸ = 25320555011971 is a prime.

It is a super-2 number, since 2×25320555012227² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25320555012287) 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, 12660277506113 + 12660277506114.

It is an arithmetic number, because the mean of its divisors is an integer number (12660277506114).

Almost surely, 2^{25320555012227} is an apocalyptic number.

25320555012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25320555012227 is an equidigital number, since it uses as much as digits as its factorization.

25320555012227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 41.

The spelling of 25320555012227 in words is "twenty-five trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred twenty-seven".