25482657117 has 4 divisors (see below), whose sum is σ = 33976876160. Its totient is φ = 16988438076.

The previous prime is 25482657113. The next prime is 25482657163. The reversal of 25482657117 is 71175628452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25482657117 - 2² = 25482657113 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 (25482657113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4247109517 + ... + 4247109522.

It is an arithmetic number, because the mean of its divisors is an integer number (8494219040).

Almost surely, 2^25482657117 is an apocalyptic number.

It is an amenable number.

25482657117 is a deficient number, since it is larger than the sum of its proper divisors (8494219043).

25482657117 is an equidigital number, since it uses as much as digits as its factorization.

25482657117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494219042.

The product of its digits is 940800, while the sum is 48.

The spelling of 25482657117 in words is "twenty-five billion, four hundred eighty-two million, six hundred fifty-seven thousand, one hundred seventeen".