11040988564 has 24 divisors (see below), whose sum is σ = 19849166568. Its totient is φ = 5370562560.

The previous prime is 11040988549. The next prime is 11040988577. The reversal of 11040988564 is 46588904011.

It can be written as a sum of positive squares in 4 ways, for example, as 192099600 + 10848888964 = 13860^2 + 104158^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 37467 + ... + 153250.

It is an arithmetic number, because the mean of its divisors is an integer number (827048607).

Almost surely, 2^11040988564 is an apocalyptic number.

It is an amenable number.

11040988564 is a deficient number, since it is larger than the sum of its proper divisors (8808178004).

11040988564 is a wasteful number, since it uses less digits than its factorization.

11040988564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191115 (or 191113 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 11040988564 in words is "eleven billion, forty million, nine hundred eighty-eight thousand, five hundred sixty-four".