11138504 has 16 divisors (see below), whose sum is σ = 22491420. Its totient is φ = 5140800.

The previous prime is 11138473. The next prime is 11138513. The reversal of 11138504 is 40583111.

It can be written as a sum of positive squares in 2 ways, for example, as 8584900 + 2553604 = 2930^2 + 1598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11138504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53447 + ... + 53654.

Almost surely, 2^11138504 is an apocalyptic number.

It is an amenable number.

11138504 is an abundant number, since it is smaller than the sum of its proper divisors (11352916).

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

11138504 is a wasteful number, since it uses less digits than its factorization.

11138504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107120 (or 107116 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11138504 is about 3337.4397372837. The cubic root of 11138504 is about 223.3275432275.

The spelling of 11138504 in words is "eleven million, one hundred thirty-eight thousand, five hundred four".