11873589156 has 243 divisors, whose sum is σ = 36006800193. Its totient is φ = 3295131840.

The previous prime is 11873589149. The next prime is 11873589209. The reversal of 11873589156 is 65198537811.

It is a happy number.

The square root of 11873589156 is 108966.

It is a perfect power (a square), and thus also a powerful number.

11873589156 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 3 + 589 + 1 + 56 = 666.

11873589156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1756448100 + 10117141056 = 41910^2 + 100584^2 .

It is an unprimeable number.

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 80 ways as a sum of consecutive naturals, for example, 93492765 + ... + 93492891.

Almost surely, 2^11873589156 is an apocalyptic number.

11873589156 is the 108966-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11873589156

11873589156 is an abundant number, since it is smaller than the sum of its proper divisors (24133211037).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11873589156 is a wasteful number, since it uses less digits than its factorization.

11873589156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 156 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The spelling of 11873589156 in words is "eleven billion, eight hundred seventy-three million, five hundred eighty-nine thousand, one hundred fifty-six".