12150543457 has 8 divisors (see below), whose sum is σ = 13299713000. Its totient is φ = 11032018560.

The previous prime is 12150543451. The next prime is 12150543487. The reversal of 12150543457 is 75434505121.

It can be written as a sum of positive squares in 4 ways, for example, as 613850176 + 11536693281 = 24776^2 + 107409^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12150543457 - 2⁷ = 12150543329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12150543451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7660332 + ... + 7661917.

It is an arithmetic number, because the mean of its divisors is an integer number (1662464125).

Almost surely, 2^12150543457 is an apocalyptic number.

It is an amenable number.

12150543457 is a deficient number, since it is larger than the sum of its proper divisors (1149169543).

12150543457 is a wasteful number, since it uses less digits than its factorization.

12150543457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15322323.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 12150543457 in words is "twelve billion, one hundred fifty million, five hundred forty-three thousand, four hundred fifty-seven".