11018138 has 8 divisors (see below), whose sum is σ = 17397120. Its totient is φ = 5219100.

The previous prime is 11018131. The next prime is 11018141. The reversal of 11018138 is 83181011.

11018138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11018131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144938 + ... + 145013.

It is an arithmetic number, because the mean of its divisors is an integer number (2174640).

Almost surely, 2^11018138 is an apocalyptic number.

11018138 is a deficient number, since it is larger than the sum of its proper divisors (6378982).

11018138 is a wasteful number, since it uses less digits than its factorization.

11018138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289972.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 11018138 is about 3319.3580704709. The cubic root of 11018138 is about 222.5201799649.

Adding to 11018138 its reverse (83181011), we get a palindrome (94199149).

The spelling of 11018138 in words is "eleven million, eighteen thousand, one hundred thirty-eight".