12909179105455 has 8 divisors (see below), whose sum is σ = 15491542241232. Its totient is φ = 10326991741248.

The previous prime is 12909179105453. The next prime is 12909179105477. The reversal of 12909179105455 is 55450197190921.

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 12909179105455 - 2¹ = 12909179105453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12909179105455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909179105453) 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, 43781262 + ... + 44075131.

It is an arithmetic number, because the mean of its divisors is an integer number (1936442780154).

Almost surely, 2^{12909179105455} is an apocalyptic number.

12909179105455 is a deficient number, since it is larger than the sum of its proper divisors (2582363135777).

12909179105455 is an equidigital number, since it uses as much as digits as its factorization.

12909179105455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87885785.

The product of its (nonzero) digits is 5103000, while the sum is 58.

The spelling of 12909179105455 in words is "twelve trillion, nine hundred nine billion, one hundred seventy-nine million, one hundred five thousand, four hundred fifty-five".