25016664141361 has 2 divisors, whose sum is σ = 25016664141362. Its totient is φ = 25016664141360.

The previous prime is 25016664141263. The next prime is 25016664141367. The reversal of 25016664141361 is 16314146661052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19958055893136 + 5058608248225 = 4467444^2 + 2249135^2 .

It is a cyclic number.

It is not a de Polignac number, because 25016664141361 - 2⁹ = 25016664140849 is a prime.

It is not a weakly prime, because it can be changed into another prime (25016664141367) 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, 12508332070680 + 12508332070681.

It is an arithmetic number, because the mean of its divisors is an integer number (12508332070681).

Almost surely, 2^{25016664141361} is an apocalyptic number.

It is an amenable number.

25016664141361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25016664141361 is an equidigital number, since it uses as much as digits as its factorization.

25016664141361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 25016664141361 in words is "twenty-five trillion, sixteen billion, six hundred sixty-four million, one hundred forty-one thousand, three hundred sixty-one".