11568630810361 has 9 divisors (see below), whose sum is σ = 11583373657093. Its totient is φ = 11553906716860.

The previous prime is 11568630810281. The next prime is 11568630810521. The reversal of 11568630810361 is 16301803686511.

The square root of 11568630810361 is 3401269.

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

It is not a de Polignac number, because 11568630810361 - 2²¹ = 11568628713209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11568630810761) 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, 3506706690 + ... + 3506709988.

Almost surely, 2^{11568630810361} is an apocalyptic number.

11568630810361 is the 3401269-th square number.

11568630810361 is the 1700635-th centered octagonal number.

It is an amenable number.

11568630810361 is a deficient number, since it is larger than the sum of its proper divisors (14742846732).

11568630810361 is an frugal number, since it uses more digits than its factorization.

11568630810361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

Multiplying 11568630810361 by its sum of digits (49), we get a square (566862909707689 = 23808883²).

The spelling of 11568630810361 in words is "eleven trillion, five hundred sixty-eight billion, six hundred thirty million, eight hundred ten thousand, three hundred sixty-one".