25253025305503 has 4 divisors (see below), whose sum is σ = 25253062001640. Its totient is φ = 25252988609368.

The previous prime is 25253025305483. The next prime is 25253025305527. The reversal of 25253025305503 is 30550352035252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25253025305503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253025305003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17295700 + ... + 18698857.

It is an arithmetic number, because the mean of its divisors is an integer number (6313265500410).

Almost surely, 2^{25253025305503} is an apocalyptic number.

25253025305503 is a deficient number, since it is larger than the sum of its proper divisors (36696137).

25253025305503 is an equidigital number, since it uses as much as digits as its factorization.

25253025305503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36696136.

The product of its (nonzero) digits is 675000, while the sum is 40.

The spelling of 25253025305503 in words is "twenty-five trillion, two hundred fifty-three billion, twenty-five million, three hundred five thousand, five hundred three".