25243344255 has 16 divisors (see below), whose sum is σ = 40485755520. Its totient is φ = 13430982048.

The previous prime is 25243344253. The next prime is 25243344271. The reversal of 25243344255 is 55244334252.

It is not a de Polignac number, because 25243344255 - 2¹ = 25243344253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243344253) 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 in 15 ways as a sum of consecutive naturals, for example, 2001937 + ... + 2014506.

It is an arithmetic number, because the mean of its divisors is an integer number (2530359720).

Almost surely, 2^25243344255 is an apocalyptic number.

25243344255 is a deficient number, since it is larger than the sum of its proper divisors (15242411265).

25243344255 is a wasteful number, since it uses less digits than its factorization.

25243344255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016870.

The product of its digits is 576000, while the sum is 39.

The spelling of 25243344255 in words is "twenty-five billion, two hundred forty-three million, three hundred forty-four thousand, two hundred fifty-five".