11800860116644 has 27 divisors (see below), whose sum is σ = 21795874018401. Its totient is φ = 5589819273600.

The previous prime is 11800860116641. The next prime is 11800860116693. The reversal of 11800860116644 is 44661106800811.

The square root of 11800860116644 is 3435238.

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., 2898036379044 + 8902823737600 = 1702362^2 + 2983760^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11800860116594 and 11800860116603.

It is not an unprimeable number, because it can be changed into a prime (11800860116641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 130493844 + ... + 130584244.

Almost surely, 2^{11800860116644} is an apocalyptic number.

11800860116644 is the 3435238-th square number.

It is an amenable number.

11800860116644 is a deficient number, since it is larger than the sum of its proper divisors (9995013901757).

11800860116644 is an frugal number, since it uses more digits than its factorization.

11800860116644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180844 (or 90422 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 11800860116644 in words is "eleven trillion, eight hundred billion, eight hundred sixty million, one hundred sixteen thousand, six hundred forty-four".