11518539404 has 24 divisors (see below), whose sum is σ = 21224696640. Its totient is φ = 5454521424.

The previous prime is 11518539289. The next prime is 11518539419. The reversal of 11518539404 is 40493581511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256067 + ... + 297669.

It is an arithmetic number, because the mean of its divisors is an integer number (884362360).

Almost surely, 2^11518539404 is an apocalyptic number.

It is an amenable number.

11518539404 is a deficient number, since it is larger than the sum of its proper divisors (9706157236).

11518539404 is a wasteful number, since it uses less digits than its factorization.

11518539404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45269 (or 45267 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 11518539404 in words is "eleven billion, five hundred eighteen million, five hundred thirty-nine thousand, four hundred four".