11084720656 has 15 divisors (see below), whose sum is σ = 21477462253. Its totient is φ = 5542149760.

The previous prime is 11084720653. The next prime is 11084720693. The reversal of 11084720656 is 65602748011.

The square root of 11084720656 is 105284.

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., 10421143056 + 663577600 = 102084^2 + 25760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11084720653) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 407976 + ... + 434296.

Almost surely, 2^11084720656 is an apocalyptic number.

11084720656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11084720656 is the 105284-th square number.

It is an amenable number.

11084720656 is a deficient number, since it is larger than the sum of its proper divisors (10392741597).

11084720656 is an frugal number, since it uses more digits than its factorization.

11084720656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52650 (or 26323 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 11084720656 in words is "eleven billion, eighty-four million, seven hundred twenty thousand, six hundred fifty-six".