25552805203 has 2 divisors, whose sum is σ = 25552805204. Its totient is φ = 25552805202.

The previous prime is 25552805149. The next prime is 25552805207. The reversal of 25552805203 is 30250825552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25552805203 is a prime.

It is not a weakly prime, because it can be changed into another prime (25552805207) 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, 12776402601 + 12776402602.

It is an arithmetic number, because the mean of its divisors is an integer number (12776402602).

Almost surely, 2^25552805203 is an apocalyptic number.

25552805203 is a deficient number, since it is larger than the sum of its proper divisors (1).

25552805203 is an equidigital number, since it uses as much as digits as its factorization.

25552805203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25552805203 in words is "twenty-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred three".