25640455110233 has 2 divisors, whose sum is σ = 25640455110234. Its totient is φ = 25640455110232.

The previous prime is 25640455110203. The next prime is 25640455110311. The reversal of 25640455110233 is 33201155404652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15107626243609 + 10532828866624 = 3886853^2 + 3245432^2 .

It is a cyclic number.

It is not a de Polignac number, because 25640455110233 - 2⁶ = 25640455110169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25640455110203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12820227555116 + 12820227555117.

It is an arithmetic number, because the mean of its divisors is an integer number (12820227555117).

Almost surely, 2^{25640455110233} is an apocalyptic number.

It is an amenable number.

25640455110233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25640455110233 is an equidigital number, since it uses as much as digits as its factorization.

25640455110233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 25640455110233 in words is "twenty-five trillion, six hundred forty billion, four hundred fifty-five million, one hundred ten thousand, two hundred thirty-three".