12735550025 has 24 divisors (see below), whose sum is σ = 17235858144. Its totient is φ = 9257846400.

The previous prime is 12735550019. The next prime is 12735550031. The reversal of 12735550025 is 52005553721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12735550019) and next prime (12735550031).

It is not a de Polignac number, because 12735550025 - 2⁸ = 12735549769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643934 + ... + 663416.

It is an arithmetic number, because the mean of its divisors is an integer number (718160756).

Almost surely, 2^12735550025 is an apocalyptic number.

It is an amenable number.

12735550025 is a deficient number, since it is larger than the sum of its proper divisors (4500308119).

12735550025 is a wasteful number, since it uses less digits than its factorization.

12735550025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881 (or 21876 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 12735550025 in words is "twelve billion, seven hundred thirty-five million, five hundred fifty thousand, twenty-five".