13456542625 has 8 divisors (see below), whose sum is σ = 16793765352. Its totient is φ = 10765234000.

The previous prime is 13456542581. The next prime is 13456542647. The reversal of 13456542625 is 52624565431.

It can be written as a sum of positive squares in 4 ways, for example, as 32307856 + 13424234769 = 5684^2 + 115863^2 .

It is not a de Polignac number, because 13456542625 - 2¹¹ = 13456540577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53826046 + ... + 53826295.

It is an arithmetic number, because the mean of its divisors is an integer number (2099220669).

Almost surely, 2^13456542625 is an apocalyptic number.

It is an amenable number.

13456542625 is a deficient number, since it is larger than the sum of its proper divisors (3337222727).

13456542625 is an equidigital number, since it uses as much as digits as its factorization.

13456542625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107652356 (or 107652346 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 13456542625 in words is "thirteen billion, four hundred fifty-six million, five hundred forty-two thousand, six hundred twenty-five".