25752778275503 has 8 divisors (see below), whose sum is σ = 25767785393280. Its totient is φ = 25737772190040.

The previous prime is 25752778275467. The next prime is 25752778275551. The reversal of 25752778275503 is 30557287725752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25752778275503 - 2⁸ = 25752778275247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25752778275503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25752778275583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52817876 + ... + 53303222.

It is an arithmetic number, because the mean of its divisors is an integer number (3220973174160).

Almost surely, 2^{25752778275503} is an apocalyptic number.

25752778275503 is a deficient number, since it is larger than the sum of its proper divisors (15007117777).

25752778275503 is a wasteful number, since it uses less digits than its factorization.

25752778275503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516157.

The product of its (nonzero) digits is 288120000, while the sum is 65.

The spelling of 25752778275503 in words is "twenty-five trillion, seven hundred fifty-two billion, seven hundred seventy-eight million, two hundred seventy-five thousand, five hundred three".