12536104166891 has 8 divisors (see below), whose sum is σ = 12741365816064. Its totient is φ = 12331639651240.

The previous prime is 12536104166867. The next prime is 12536104166903. The reversal of 12536104166891 is 19866140163521.

12536104166891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12536104166891 - 2⁶ = 12536104166827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12536104166791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199251671 + ... + 199314576.

It is an arithmetic number, because the mean of its divisors is an integer number (1592670727008).

Almost surely, 2^{12536104166891} is an apocalyptic number.

12536104166891 is a deficient number, since it is larger than the sum of its proper divisors (205261649173).

12536104166891 is an equidigital number, since it uses as much as digits as its factorization.

12536104166891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398566761.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 12536104166891 in words is "twelve trillion, five hundred thirty-six billion, one hundred four million, one hundred sixty-six thousand, eight hundred ninety-one".