11128959 has 24 divisors (see below), whose sum is σ = 16645200. Its totient is φ = 7160832.

The previous prime is 11128951. The next prime is 11128973. The reversal of 11128959 is 95982111.

It is not a de Polignac number, because 11128959 - 2³ = 11128951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57567 + ... + 57759.

It is an arithmetic number, because the mean of its divisors is an integer number (693550).

Almost surely, 2^11128959 is an apocalyptic number.

11128959 is a deficient number, since it is larger than the sum of its proper divisors (5516241).

11128959 is a wasteful number, since it uses less digits than its factorization.

11128959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 388 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 11128959 is about 3336.0094424327. The cubic root of 11128959 is about 223.2637324264.

The spelling of 11128959 in words is "eleven million, one hundred twenty-eight thousand, nine hundred fifty-nine".