13071806225 has 6 divisors (see below), whose sum is σ = 16209039750. Its totient is φ = 10457444960.

The previous prime is 13071806147. The next prime is 13071806249. The reversal of 13071806225 is 52260817031.

It is a happy number.

13071806225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 114332²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 13071806224 = 1^2 + 114332^2 .

It is not a de Polignac number, because 13071806225 - 2⁸ = 13071805969 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 261436100 + ... + 261436149.

It is an arithmetic number, because the mean of its divisors is an integer number (2701506625).

Almost surely, 2^13071806225 is an apocalyptic number.

It is an amenable number.

13071806225 is a deficient number, since it is larger than the sum of its proper divisors (3137233525).

13071806225 is an equidigital number, since it uses as much as digits as its factorization.

13071806225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522872259 (or 522872254 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 13071806225 in words is "thirteen billion, seventy-one million, eight hundred six thousand, two hundred twenty-five".