11972873875 has 8 divisors (see below), whose sum is σ = 14942146752. Its totient is φ = 9578299000.

The previous prime is 11972873867. The next prime is 11972873879. The reversal of 11972873875 is 57837827911.

11972873875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11972873875 - 2³ = 11972873867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11972873879) 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 7 ways as a sum of consecutive naturals, for example, 47891371 + ... + 47891620.

It is an arithmetic number, because the mean of its divisors is an integer number (1867768344).

Almost surely, 2^11972873875 is an apocalyptic number.

11972873875 is a deficient number, since it is larger than the sum of its proper divisors (2969272877).

11972873875 is an frugal number, since it uses more digits than its factorization.

11972873875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95783006 (or 95782996 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 58.

The spelling of 11972873875 in words is "eleven billion, nine hundred seventy-two million, eight hundred seventy-three thousand, eight hundred seventy-five".