12546089866117 has 8 divisors (see below), whose sum is σ = 12610769999256. Its totient is φ = 12481419777792.

The previous prime is 12546089866069. The next prime is 12546089866201. The reversal of 12546089866117 is 71166898064521.

It is a Cunningham number, because it is equal to 3542046²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 11887835119876 + 658254746241 = 3447874^2 + 811329^2 .

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 12546089866117 - 2⁷ = 12546089865989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12546089861117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288 + ... + 5009209.

It is an arithmetic number, because the mean of its divisors is an integer number (1576346249907).

Almost surely, 2^{12546089866117} is an apocalyptic number.

It is an amenable number.

12546089866117 is a deficient number, since it is larger than the sum of its proper divisors (64680133139).

12546089866117 is a wasteful number, since it uses less digits than its factorization.

12546089866117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022407.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 12546089866117 in words is "twelve trillion, five hundred forty-six billion, eighty-nine million, eight hundred sixty-six thousand, one hundred seventeen".