12509094445 has 8 divisors (see below), whose sum is σ = 15893908344. Its totient is φ = 9418612224.

The previous prime is 12509094379. The next prime is 12509094469. The reversal of 12509094445 is 54449090521.

12509094445 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 4 ways, for example, as 6111174276 + 6397920169 = 78174^2 + 79987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12509094445 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 73582824 + ... + 73582993.

It is an arithmetic number, because the mean of its divisors is an integer number (1986738543).

Almost surely, 2^12509094445 is an apocalyptic number.

It is an amenable number.

12509094445 is a deficient number, since it is larger than the sum of its proper divisors (3384813899).

12509094445 is a wasteful number, since it uses less digits than its factorization.

12509094445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147165839.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 12509094445 in words is "twelve billion, five hundred nine million, ninety-four thousand, four hundred forty-five".