25525252800025 has 48 divisors (see below), whose sum is σ = 36636134423040. Its totient is φ = 17435353625600.

The previous prime is 25525252799987. The next prime is 25525252800067. The reversal of 25525252800025 is 52000825252552.

It is not a de Polignac number, because 25525252800025 - 2¹⁹ = 25525252275737 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3459994 + ... + 7938643.

It is an arithmetic number, because the mean of its divisors is an integer number (763252800480).

Almost surely, 2^{25525252800025} is an apocalyptic number.

25525252800025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25525252800025 is a deficient number, since it is larger than the sum of its proper divisors (11110881623015).

25525252800025 is a wasteful number, since it uses less digits than its factorization.

25525252800025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399154 (or 11399149 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 25525252800025 in words is "twenty-five trillion, five hundred twenty-five billion, two hundred fifty-two million, eight hundred thousand, twenty-five".