12159750905 has 16 divisors (see below), whose sum is σ = 15455661840. Its totient is φ = 9152243712.

The previous prime is 12159750893. The next prime is 12159750917. The reversal of 12159750905 is 50905795121.

It is an interprime number because it is at equal distance from previous prime (12159750893) and next prime (12159750917).

It can be written as a sum of positive squares in 8 ways, for example, as 189640441 + 11970110464 = 13771^2 + 109408^2 .

It is a cyclic number.

It is not a de Polignac number, because 12159750905 - 2⁸ = 12159750649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222677 + ... + 271853.

It is an arithmetic number, because the mean of its divisors is an integer number (965978865).

Almost surely, 2^12159750905 is an apocalyptic number.

It is an amenable number.

12159750905 is a deficient number, since it is larger than the sum of its proper divisors (3295910935).

12159750905 is a wasteful number, since it uses less digits than its factorization.

12159750905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52108.

The product of its (nonzero) digits is 141750, while the sum is 44.

The spelling of 12159750905 in words is "twelve billion, one hundred fifty-nine million, seven hundred fifty thousand, nine hundred five".