11128251 has 32 divisors (see below), whose sum is σ = 16796160. Its totient is φ = 6516224.

The previous prime is 11128241. The next prime is 11128259. The reversal of 11128251 is 15282111.

11128251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11128251 - 2²² = 6933947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11128259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62080 + ... + 62258.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^11128251 is an apocalyptic number.

11128251 is a deficient number, since it is larger than the sum of its proper divisors (5667909).

11128251 is a wasteful number, since it uses less digits than its factorization.

11128251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its digits is 160, while the sum is 21.

The square root of 11128251 is about 3335.9033259374. The cubic root of 11128251 is about 223.2589978094.

The spelling of 11128251 in words is "eleven million, one hundred twenty-eight thousand, two hundred fifty-one".