12094560561 has 16 divisors (see below), whose sum is σ = 16978636800. Its totient is φ = 7636953168.

The previous prime is 12094560559. The next prime is 12094560589. The reversal of 12094560561 is 16506549021.

It is not a de Polignac number, because 12094560561 - 2¹ = 12094560559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12094560061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261760 + ... + 304478.

It is an arithmetic number, because the mean of its divisors is an integer number (1061164800).

Almost surely, 2^12094560561 is an apocalyptic number.

It is an amenable number.

12094560561 is a deficient number, since it is larger than the sum of its proper divisors (4884076239).

12094560561 is a wasteful number, since it uses less digits than its factorization.

12094560561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47708.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 12094560561 in words is "twelve billion, ninety-four million, five hundred sixty thousand, five hundred sixty-one".