11161338 has 16 divisors (see below), whose sum is σ = 22842336. Its totient is φ = 3633840.

The previous prime is 11161327. The next prime is 11161387. The reversal of 11161338 is 83316111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21373 + ... + 21888.

It is an arithmetic number, because the mean of its divisors is an integer number (1427646).

Almost surely, 2^11161338 is an apocalyptic number.

11161338 is an abundant number, since it is smaller than the sum of its proper divisors (11680998).

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

11161338 is a wasteful number, since it uses less digits than its factorization.

11161338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43309.

The product of its digits is 432, while the sum is 24.

The square root of 11161338 is about 3340.8588716077. The cubic root of 11161338 is about 223.4800466650.

Adding to 11161338 its reverse (83316111), we get a palindrome (94477449).

The spelling of 11161338 in words is "eleven million, one hundred sixty-one thousand, three hundred thirty-eight".