11081351824 has 15 divisors (see below), whose sum is σ = 21470935017. Its totient is φ = 5540465376.

The previous prime is 11081351803. The next prime is 11081351839. The reversal of 11081351824 is 42815318011.

The square root of 11081351824 is 105268.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7133491600 + 3947860224 = 84460^2 + 62832^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11081351824.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 407914 + ... + 434230.

Almost surely, 2^11081351824 is an apocalyptic number.

11081351824 is the 105268-th square number.

It is an amenable number.

11081351824 is a deficient number, since it is larger than the sum of its proper divisors (10389583193).

11081351824 is an frugal number, since it uses more digits than its factorization.

11081351824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52642 (or 26319 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

Adding to 11081351824 its reverse (42815318011), we get a palindrome (53896669835).

The spelling of 11081351824 in words is "eleven billion, eighty-one million, three hundred fifty-one thousand, eight hundred twenty-four".