11161268 has 18 divisors (see below), whose sum is σ = 19801026. Its totient is φ = 5504688.

The previous prime is 11161229. The next prime is 11161289. The reversal of 11161268 is 86216111.

11161268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 258064 = 3302^2 + 508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64430 + ... + 64602.

It is an arithmetic number, because the mean of its divisors is an integer number (1100057).

Almost surely, 2^11161268 is an apocalyptic number.

It is an amenable number.

11161268 is a deficient number, since it is larger than the sum of its proper divisors (8639758).

11161268 is a wasteful number, since it uses less digits than its factorization.

11161268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 302 counting only the distinct ones).

The product of its digits is 576, while the sum is 26.

The square root of 11161268 is about 3340.8483952433. The cubic root of 11161268 is about 223.4795794678.

Adding to 11161268 its reverse (86216111), we get a palindrome (97377379).

The spelling of 11161268 in words is "eleven million, one hundred sixty-one thousand, two hundred sixty-eight".