12691347115795 has 8 divisors (see below), whose sum is σ = 15286232215440. Its totient is φ = 10115333908320.

The previous prime is 12691347115793. The next prime is 12691347115817. The reversal of 12691347115795 is 59751174319621.

It is a happy number.

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

It is not a de Polignac number, because 12691347115795 - 2¹ = 12691347115793 is a prime.

It is a super-2 number, since 2×12691347115795² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12691347115793) 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, 4717971561 + ... + 4717974250.

It is an arithmetic number, because the mean of its divisors is an integer number (1910779026930).

Almost surely, 2^{12691347115795} is an apocalyptic number.

12691347115795 is a deficient number, since it is larger than the sum of its proper divisors (2594885099645).

12691347115795 is an equidigital number, since it uses as much as digits as its factorization.

12691347115795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435946085.

The product of its digits is 14288400, while the sum is 61.

The spelling of 12691347115795 in words is "twelve trillion, six hundred ninety-one billion, three hundred forty-seven million, one hundred fifteen thousand, seven hundred ninety-five".