11118388 has 6 divisors (see below), whose sum is σ = 19457186. Its totient is φ = 5559192.

The previous prime is 11118377. The next prime is 11118413. The reversal of 11118388 is 88381111.

11118388 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., 8892324 + 2226064 = 2982^2 + 1492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389795 + ... + 1389802.

Almost surely, 2^11118388 is an apocalyptic number.

It is an amenable number.

11118388 is a deficient number, since it is larger than the sum of its proper divisors (8338798).

11118388 is a wasteful number, since it uses less digits than its factorization.

11118388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779601 (or 2779599 counting only the distinct ones).

The product of its digits is 1536, while the sum is 31.

The square root of 11118388 is about 3334.4246880084. The cubic root of 11118388 is about 223.1930199553.

Adding to 11118388 its reverse (88381111), we get a palindrome (99499499).

The spelling of 11118388 in words is "eleven million, one hundred eighteen thousand, three hundred eighty-eight".