11017878904 has 64 divisors (see below), whose sum is σ = 21269376000. Its totient is φ = 5349141504.

The previous prime is 11017878901. The next prime is 11017878931. The reversal of 11017878904 is 40987871011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11017878901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11050534 + ... + 11051530.

It is an arithmetic number, because the mean of its divisors is an integer number (332334000).

Almost surely, 2^11017878904 is an apocalyptic number.

It is an amenable number.

11017878904 is a deficient number, since it is larger than the sum of its proper divisors (10251497096).

11017878904 is a wasteful number, since it uses less digits than its factorization.

11017878904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 46.

The spelling of 11017878904 in words is "eleven billion, seventeen million, eight hundred seventy-eight thousand, nine hundred four".