12587533851 has 4 divisors (see below), whose sum is σ = 16783378472. Its totient is φ = 8391689232.

The previous prime is 12587533841. The next prime is 12587533853. The reversal of 12587533851 is 15833578521.

12587533851 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 not a de Polignac number, because 12587533851 - 2⁹ = 12587533339 is a prime.

It is a super-3 number, since 3×12587533851³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12587533851.

It is not an unprimeable number, because it can be changed into a prime (12587533853) 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, 2097922306 + ... + 2097922311.

It is an arithmetic number, because the mean of its divisors is an integer number (4195844618).

Almost surely, 2^12587533851 is an apocalyptic number.

12587533851 is a deficient number, since it is larger than the sum of its proper divisors (4195844621).

12587533851 is an equidigital number, since it uses as much as digits as its factorization.

12587533851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195844620.

The product of its digits is 1008000, while the sum is 48.

The spelling of 12587533851 in words is "twelve billion, five hundred eighty-seven million, five hundred thirty-three thousand, eight hundred fifty-one".