13451164443025 has 6 divisors (see below), whose sum is σ = 16679443909382. Its totient is φ = 10760931554400.

The previous prime is 13451164443011. The next prime is 13451164443089. The reversal of 13451164443025 is 52034446115431.

It can be written as a sum of positive squares in 3 ways, for example, as 3864735889 + 13447299707136 = 62167^2 + 3667056^2 .

It is not a de Polignac number, because 13451164443025 - 2⁷ = 13451164442897 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 (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269023288836 + ... + 269023288885.

Almost surely, 2^{13451164443025} is an apocalyptic number.

It is an amenable number.

13451164443025 is a deficient number, since it is larger than the sum of its proper divisors (3228279466357).

13451164443025 is an equidigital number, since it uses as much as digits as its factorization.

13451164443025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538046577731 (or 538046577726 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 13451164443025 in words is "thirteen trillion, four hundred fifty-one billion, one hundred sixty-four million, four hundred forty-three thousand, twenty-five".