11356566361 has 16 divisors (see below), whose sum is σ = 13919817600. Its totient is φ = 9047870208.

The previous prime is 11356566329. The next prime is 11356566371. The reversal of 11356566361 is 16366565311.

It is a cyclic number.

It is not a de Polignac number, because 11356566361 - 2⁵ = 11356566329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11356566311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798496 + ... + 812593.

It is an arithmetic number, because the mean of its divisors is an integer number (869988600).

Almost surely, 2^11356566361 is an apocalyptic number.

It is an amenable number.

11356566361 is a deficient number, since it is larger than the sum of its proper divisors (2563251239).

11356566361 is a wasteful number, since it uses less digits than its factorization.

11356566361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611168.

The product of its digits is 291600, while the sum is 43.

The spelling of 11356566361 in words is "eleven billion, three hundred fifty-six million, five hundred sixty-six thousand, three hundred sixty-one".