25488173103 has 4 divisors (see below), whose sum is σ = 33984230808. Its totient is φ = 16992115400.

The previous prime is 25488173099. The next prime is 25488173153. The reversal of 25488173103 is 30137188452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25488173103 - 2² = 25488173099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25488173153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248028848 + ... + 4248028853.

It is an arithmetic number, because the mean of its divisors is an integer number (8496057702).

Almost surely, 2^25488173103 is an apocalyptic number.

25488173103 is a deficient number, since it is larger than the sum of its proper divisors (8496057705).

25488173103 is an equidigital number, since it uses as much as digits as its factorization.

25488173103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8496057704.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 25488173103 in words is "twenty-five billion, four hundred eighty-eight million, one hundred seventy-three thousand, one hundred three".