12150315025543 has 4 divisors (see below), whose sum is σ = 12408832366560. Its totient is φ = 11891797684528.

The previous prime is 12150315025529. The next prime is 12150315025601. The reversal of 12150315025543 is 34552051305121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12150315025543 - 2⁹ = 12150315025031 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 (12150315025643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129258670438 + ... + 129258670531.

It is an arithmetic number, because the mean of its divisors is an integer number (3102208091640).

Almost surely, 2^{12150315025543} is an apocalyptic number.

12150315025543 is a deficient number, since it is larger than the sum of its proper divisors (258517341017).

12150315025543 is an equidigital number, since it uses as much as digits as its factorization.

12150315025543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258517341016.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 12150315025543 in words is "twelve trillion, one hundred fifty billion, three hundred fifteen million, twenty-five thousand, five hundred forty-three".