25318057227 has 16 divisors (see below), whose sum is σ = 34046092800. Its totient is φ = 16734830112.

The previous prime is 25318057181. The next prime is 25318057307. The reversal of 25318057227 is 72275081352.

It is not a de Polignac number, because 25318057227 - 2²³ = 25309668619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25318057727) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 160024 + ... + 276122.

It is an arithmetic number, because the mean of its divisors is an integer number (2127880800).

Almost surely, 2^25318057227 is an apocalyptic number.

25318057227 is a deficient number, since it is larger than the sum of its proper divisors (8728035573).

25318057227 is a wasteful number, since it uses less digits than its factorization.

25318057227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116722.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 25318057227 in words is "twenty-five billion, three hundred eighteen million, fifty-seven thousand, two hundred twenty-seven".