11847344399999 has 8 divisors (see below), whose sum is σ = 11866593974400. Its totient is φ = 11828100392856.

The previous prime is 11847344399953. The next prime is 11847344400037. The reversal of 11847344399999 is 99999344374811.

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 11847344399999 - 2⁸ = 11847344399743 is a prime.

It is a super-2 number, since 2×11847344399999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11847344399909) 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, 2878352 + ... + 5655050.

It is an arithmetic number, because the mean of its divisors is an integer number (1483324246800).

Almost surely, 2^{11847344399999} is an apocalyptic number.

11847344399999 is a deficient number, since it is larger than the sum of its proper divisors (19249574401).

11847344399999 is an equidigital number, since it uses as much as digits as its factorization.

11847344399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783629.

The product of its digits is 1904684544, while the sum is 80.

The spelling of 11847344399999 in words is "eleven trillion, eight hundred forty-seven billion, three hundred forty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".