25275025255 has 32 divisors (see below), whose sum is σ = 32138568000. Its totient is φ = 19049167872.

The previous prime is 25275025187. The next prime is 25275025277. The reversal of 25275025255 is 55252057252.

It is a happy number.

It is not a de Polignac number, because 25275025255 - 2³¹ = 23127541607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9656707 + ... + 9659323.

It is an arithmetic number, because the mean of its divisors is an integer number (1004330250).

Almost surely, 2^25275025255 is an apocalyptic number.

25275025255 is a deficient number, since it is larger than the sum of its proper divisors (6863542745).

25275025255 is a wasteful number, since it uses less digits than its factorization.

25275025255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243.

The product of its (nonzero) digits is 350000, while the sum is 40.

The spelling of 25275025255 in words is "twenty-five billion, two hundred seventy-five million, twenty-five thousand, two hundred fifty-five".