25255388780353 has 2 divisors, whose sum is σ = 25255388780354. Its totient is φ = 25255388780352.

The previous prime is 25255388780311. The next prime is 25255388780389. The reversal of 25255388780353 is 35308788355252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13267784395009 + 11987604385344 = 3642497^2 + 3462312^2 .

It is a cyclic number.

It is not a de Polignac number, because 25255388780353 - 2¹³ = 25255388772161 is a prime.

It is not a weakly prime, because it can be changed into another prime (25255388780953) 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, 12627694390176 + 12627694390177.

It is an arithmetic number, because the mean of its divisors is an integer number (12627694390177).

Almost surely, 2^{25255388780353} is an apocalyptic number.

It is an amenable number.

25255388780353 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255388780353 is an equidigital number, since it uses as much as digits as its factorization.

25255388780353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920000, while the sum is 64.

The spelling of 25255388780353 in words is "twenty-five trillion, two hundred fifty-five billion, three hundred eighty-eight million, seven hundred eighty thousand, three hundred fifty-three".