12911701803917 has 4 divisors (see below), whose sum is σ = 14756230633056. Its totient is φ = 11067172974780.

The previous prime is 12911701803911. The next prime is 12911701803937. The reversal of 12911701803917 is 71930810711921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12911701803917 - 2⁶ = 12911701803853 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 (12911701803911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922264414559 + ... + 922264414572.

It is an arithmetic number, because the mean of its divisors is an integer number (3689057658264).

Almost surely, 2^{12911701803917} is an apocalyptic number.

It is an amenable number.

12911701803917 is a deficient number, since it is larger than the sum of its proper divisors (1844528829139).

12911701803917 is an equidigital number, since it uses as much as digits as its factorization.

12911701803917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844528829138.

The product of its (nonzero) digits is 190512, while the sum is 50.

The spelling of 12911701803917 in words is "twelve trillion, nine hundred eleven billion, seven hundred one million, eight hundred three thousand, nine hundred seventeen".