12305605653 has 24 divisors (see below), whose sum is σ = 19402752096. Its totient is φ = 7453288800.

The previous prime is 12305605621. The next prime is 12305605661. The reversal of 12305605653 is 35650650321.

12305605653 is a `hidden beast` number, since 1 + 2 + 30 + 5 + 60 + 565 + 3 = 666.

12305605653 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 12305605653 - 2⁵ = 12305605621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305605603) 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 23 ways as a sum of consecutive naturals, for example, 124098 + ... + 200028.

It is an arithmetic number, because the mean of its divisors is an integer number (808448004).

Almost surely, 2^12305605653 is an apocalyptic number.

It is an amenable number.

12305605653 is a deficient number, since it is larger than the sum of its proper divisors (7097146443).

12305605653 is a wasteful number, since it uses less digits than its factorization.

12305605653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77585 (or 77582 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 12305605653 in words is "twelve billion, three hundred five million, six hundred five thousand, six hundred fifty-three".