12643159206754 has 16 divisors (see below), whose sum is σ = 19076801963040. Its totient is φ = 6284294976960.

The previous prime is 12643159206721. The next prime is 12643159206763. The reversal of 12643159206754 is 45760295134621.

It is a junction number, because it is equal to n+sod(n) for n = 12643159206695 and 12643159206704.

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, 17076439 + ... + 17801434.

It is an arithmetic number, because the mean of its divisors is an integer number (1192300122690).

Almost surely, 2^{12643159206754} is an apocalyptic number.

12643159206754 is a deficient number, since it is larger than the sum of its proper divisors (6433642756286).

12643159206754 is a wasteful number, since it uses less digits than its factorization.

12643159206754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34878945.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 12643159206754 in words is "twelve trillion, six hundred forty-three billion, one hundred fifty-nine million, two hundred six thousand, seven hundred fifty-four".