12158453573 has 4 divisors (see below), whose sum is σ = 13895375520. Its totient is φ = 10421531628.

The previous prime is 12158453569. The next prime is 12158453579. The reversal of 12158453573 is 37535485121.

12158453573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12158453573 - 2² = 12158453569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158453579) 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 3 ways as a sum of consecutive naturals, for example, 868460963 + ... + 868460976.

It is an arithmetic number, because the mean of its divisors is an integer number (3473843880).

Almost surely, 2^12158453573 is an apocalyptic number.

It is an amenable number.

12158453573 is a deficient number, since it is larger than the sum of its proper divisors (1736921947).

12158453573 is an equidigital number, since it uses as much as digits as its factorization.

12158453573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736921946.

The product of its digits is 504000, while the sum is 44.

The spelling of 12158453573 in words is "twelve billion, one hundred fifty-eight million, four hundred fifty-three thousand, five hundred seventy-three".