11589047028 has 48 divisors (see below), whose sum is σ = 32356887360. Its totient is φ = 3565860192.

The previous prime is 11589047023. The next prime is 11589047069. The reversal of 11589047028 is 82074098511.

11589047028 is a `hidden beast` number, since 1 + 1 + 589 + 0 + 47 + 0 + 28 = 666.

11589047028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11589047028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11589047023) 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 15 ways as a sum of consecutive naturals, for example, 4125750 + ... + 4128557.

It is an arithmetic number, because the mean of its divisors is an integer number (674101820).

Almost surely, 2^11589047028 is an apocalyptic number.

11589047028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11589047028 is an abundant number, since it is smaller than the sum of its proper divisors (20767840332).

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

11589047028 is a wasteful number, since it uses less digits than its factorization.

11589047028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254333 (or 8254325 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 11589047028 in words is "eleven billion, five hundred eighty-nine million, forty-seven thousand, twenty-eight".