11875986529 has 9 divisors (see below), whose sum is σ = 13055088081. Its totient is φ = 10795261620.

The previous prime is 11875986503. The next prime is 11875986541. The reversal of 11875986529 is 92568957811.

The square root of 11875986529 is 108977.

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

11875986529 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 11875986529 - 2⁷ = 11875986401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11875986559) 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 8 ways as a sum of consecutive naturals, for example, 1193794 + ... + 1203700.

Almost surely, 2^11875986529 is an apocalyptic number.

11875986529 is the 108977-th square number.

11875986529 is the 54489-th centered octagonal number.

It is an amenable number.

11875986529 is a deficient number, since it is larger than the sum of its proper divisors (1179101552).

11875986529 is an frugal number, since it uses more digits than its factorization.

11875986529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19836 (or 9918 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 61.

The spelling of 11875986529 in words is "eleven billion, eight hundred seventy-five million, nine hundred eighty-six thousand, five hundred twenty-nine".