12546744047105 has 16 divisors (see below), whose sum is σ = 15072603456960. Its totient is φ = 10026393820608.

The previous prime is 12546744047087. The next prime is 12546744047111. The reversal of 12546744047105 is 50174044764521.

It is a cyclic number.

It is not a de Polignac number, because 12546744047105 - 2⁸ = 12546744046849 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, 17513474 + ... + 18215796.

It is an arithmetic number, because the mean of its divisors is an integer number (942037716060).

Almost surely, 2^{12546744047105} is an apocalyptic number.

It is an amenable number.

12546744047105 is a deficient number, since it is larger than the sum of its proper divisors (2525859409855).

12546744047105 is a wasteful number, since it uses less digits than its factorization.

12546744047105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706240.

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 12546744047105 in words is "twelve trillion, five hundred forty-six billion, seven hundred forty-four million, forty-seven thousand, one hundred five".