11518004 has 6 divisors (see below), whose sum is σ = 20156514. Its totient is φ = 5759000.

The previous prime is 11517997. The next prime is 11518033. The reversal of 11518004 is 40081511.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 362404 = 3340^2 + 602^2 .

It is a super-2 number, since 2×11518004² = 265328832288032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439747 + ... + 1439754.

It is an arithmetic number, because the mean of its divisors is an integer number (3359419).

Almost surely, 2^11518004 is an apocalyptic number.

It is an amenable number.

11518004 is a deficient number, since it is larger than the sum of its proper divisors (8638510).

11518004 is a wasteful number, since it uses less digits than its factorization.

11518004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879505 (or 2879503 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 11518004 is about 3393.8184983879. The cubic root of 11518004 is about 225.8356023731.

Adding to 11518004 its reverse (40081511), we get a palindrome (51599515).

The spelling of 11518004 in words is "eleven million, five hundred eighteen thousand, four".