13465447225 has 12 divisors (see below), whose sum is σ = 16766444860. Its totient is φ = 10727654400.

The previous prime is 13465447223. The next prime is 13465447309. The reversal of 13465447225 is 52274456431.

13465447225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 77105961 + 13388341264 = 8781^2 + 115708^2 .

It is not a de Polignac number, because 13465447225 - 2¹ = 13465447223 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13465447223) 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 11 ways as a sum of consecutive naturals, for example, 1111440 + ... + 1123489.

Almost surely, 2^13465447225 is an apocalyptic number.

It is an amenable number.

13465447225 is a deficient number, since it is larger than the sum of its proper divisors (3300997635).

13465447225 is a wasteful number, since it uses less digits than its factorization.

13465447225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235180 (or 2235175 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The spelling of 13465447225 in words is "thirteen billion, four hundred sixty-five million, four hundred forty-seven thousand, two hundred twenty-five".