11551752816 has 40 divisors (see below), whose sum is σ = 30871067280. Its totient is φ = 3717805056.

The previous prime is 11551752809. The next prime is 11551752851. The reversal of 11551752816 is 61825715511.

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, 4147945 + ... + 4150728.

It is an arithmetic number, because the mean of its divisors is an integer number (771776682).

Almost surely, 2^11551752816 is an apocalyptic number.

11551752816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11551752816 is an abundant number, since it is smaller than the sum of its proper divisors (19319314464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11551752816 is a wasteful number, since it uses less digits than its factorization.

11551752816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298713 (or 8298707 counting only the distinct ones).

The product of its digits is 84000, while the sum is 42.

The spelling of 11551752816 in words is "eleven billion, five hundred fifty-one million, seven hundred fifty-two thousand, eight hundred sixteen".