11011138 has 24 divisors (see below), whose sum is σ = 18124236. Its totient is φ = 4999680.

The previous prime is 11011123. The next prime is 11011141. The reversal of 11011138 is 83111011.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 8649 = 3317^2 + 93^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32506 + ... + 32842.

Almost surely, 2^11011138 is an apocalyptic number.

11011138 is a deficient number, since it is larger than the sum of its proper divisors (7113098).

11011138 is a wasteful number, since it uses less digits than its factorization.

11011138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 11011138 is about 3318.3034822029. The cubic root of 11011138 is about 222.4730464341.

Adding to 11011138 its reverse (83111011), we get a palindrome (94122149).

The spelling of 11011138 in words is "eleven million, eleven thousand, one hundred thirty-eight".