11159217 has 6 divisors (see below), whose sum is σ = 16118882. Its totient is φ = 7439472.

The previous prime is 11159177. The next prime is 11159221. The reversal of 11159217 is 71295111.

It can be written as a sum of positive squares in only one way, i.e., 10653696 + 505521 = 3264^2 + 711^2 .

It is not a de Polignac number, because 11159217 - 2⁶ = 11159153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11159297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619948 + ... + 619965.

Almost surely, 2^11159217 is an apocalyptic number.

It is an amenable number.

11159217 is a deficient number, since it is larger than the sum of its proper divisors (4959665).

11159217 is a wasteful number, since it uses less digits than its factorization.

11159217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239919 (or 1239916 counting only the distinct ones).

The product of its digits is 630, while the sum is 27.

The square root of 11159217 is about 3340.5414231828. The cubic root of 11159217 is about 223.4658897241.

The spelling of 11159217 in words is "eleven million, one hundred fifty-nine thousand, two hundred seventeen".