11871725143 has 4 divisors (see below), whose sum is σ = 11994114160. Its totient is φ = 11749336128.

The previous prime is 11871725137. The next prime is 11871725171. The reversal of 11871725143 is 34152717811.

11871725143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11871725143 - 2²⁹ = 11334854231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11871725096 and 11871725105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11871725113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61194363 + ... + 61194556.

It is an arithmetic number, because the mean of its divisors is an integer number (2998528540).

Almost surely, 2^11871725143 is an apocalyptic number.

11871725143 is a deficient number, since it is larger than the sum of its proper divisors (122389017).

11871725143 is an equidigital number, since it uses as much as digits as its factorization.

11871725143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122389016.

The product of its digits is 47040, while the sum is 40.

The spelling of 11871725143 in words is "eleven billion, eight hundred seventy-one million, seven hundred twenty-five thousand, one hundred forty-three".