11147889258 has 96 divisors (see below), whose sum is σ = 27041781312. Its totient is φ = 3289708800.

The previous prime is 11147889229. The next prime is 11147889271. The reversal of 11147889258 is 85298874111.

11147889258 is a `hidden beast` number, since 111 + 478 + 8 + 9 + 2 + 58 = 666.

11147889258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 6469185 + ... + 6470907.

It is an arithmetic number, because the mean of its divisors is an integer number (281685222).

Almost surely, 2^11147889258 is an apocalyptic number.

11147889258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11147889258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13520890656).

11147889258 is an abundant number, since it is smaller than the sum of its proper divisors (15893892054).

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

11147889258 is a wasteful number, since it uses less digits than its factorization.

11147889258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2577 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 54.

The spelling of 11147889258 in words is "eleven billion, one hundred forty-seven million, eight hundred eighty-nine thousand, two hundred fifty-eight".