11551244564 has 24 divisors (see below), whose sum is σ = 20317839360. Its totient is φ = 5746185504.

The previous prime is 11551244557. The next prime is 11551244629. The reversal of 11551244564 is 46544215511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519517 + ... + 1527099.

It is an arithmetic number, because the mean of its divisors is an integer number (846576640).

Almost surely, 2^11551244564 is an apocalyptic number.

It is an amenable number.

11551244564 is a deficient number, since it is larger than the sum of its proper divisors (8766594796).

11551244564 is a wasteful number, since it uses less digits than its factorization.

11551244564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479 (or 9477 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The spelling of 11551244564 in words is "eleven billion, five hundred fifty-one million, two hundred forty-four thousand, five hundred sixty-four".