12305254545 has 24 divisors (see below), whose sum is σ = 22017146112. Its totient is φ = 6351098400.

The previous prime is 12305254523. The next prime is 12305254561. The reversal of 12305254545 is 54545250321.

12305254545 is a `hidden beast` number, since 1 + 23 + 0 + 52 + 545 + 45 = 666.

12305254545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12305254545 - 2⁸ = 12305254289 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 23 ways as a sum of consecutive naturals, for example, 4409091 + ... + 4411880.

It is an arithmetic number, because the mean of its divisors is an integer number (917381088).

Almost surely, 2^12305254545 is an apocalyptic number.

12305254545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12305254545 is a deficient number, since it is larger than the sum of its proper divisors (9711891567).

12305254545 is a wasteful number, since it uses less digits than its factorization.

12305254545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821013 (or 8821010 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 12305254545 in words is "twelve billion, three hundred five million, two hundred fifty-four thousand, five hundred forty-five".