11047138 has 4 divisors (see below), whose sum is σ = 16570710. Its totient is φ = 5523568.

The previous prime is 11047121. The next prime is 11047139. The reversal of 11047138 is 83174011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 110889 = 3307^2 + 333^2 .

It is a super-3 number, since 3×11047138³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11047139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2761783 + ... + 2761786.

Almost surely, 2^11047138 is an apocalyptic number.

11047138 is a deficient number, since it is larger than the sum of its proper divisors (5523572).

11047138 is an equidigital number, since it uses as much as digits as its factorization.

11047138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523571.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11047138 is about 3323.7235143736. The cubic root of 11047138 is about 222.7152350618.

The spelling of 11047138 in words is "eleven million, forty-seven thousand, one hundred thirty-eight".