12431565516146 has 16 divisors (see below), whose sum is σ = 21405137357376. Its totient is φ = 5304343245936.

The previous prime is 12431565516089. The next prime is 12431565516163. The reversal of 12431565516146 is 64161556513421.

It is a junction number, because it is equal to n+sod(n) for n = 12431565516094 and 12431565516103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955875601 + ... + 1955881956.

It is an arithmetic number, because the mean of its divisors is an integer number (1337821084836).

Almost surely, 2^{12431565516146} is an apocalyptic number.

12431565516146 is a deficient number, since it is larger than the sum of its proper divisors (8973571841230).

12431565516146 is a wasteful number, since it uses less digits than its factorization.

12431565516146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911757793.

The product of its digits is 2592000, while the sum is 50.

The spelling of 12431565516146 in words is "twelve trillion, four hundred thirty-one billion, five hundred sixty-five million, five hundred sixteen thousand, one hundred forty-six".