11606564518181 has 8 divisors (see below), whose sum is σ = 11622601156320. Its totient is φ = 11590528432752.

The previous prime is 11606564518177. The next prime is 11606564518189. The reversal of 11606564518181 is 18181546560611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11606564518181 - 2² = 11606564518177 is a prime.

It is a super-2 number, since 2×11606564518181² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11606564518189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59729726 + ... + 59923728.

It is an arithmetic number, because the mean of its divisors is an integer number (1452825144540).

Almost surely, 2^{11606564518181} is an apocalyptic number.

It is an amenable number.

11606564518181 is a deficient number, since it is larger than the sum of its proper divisors (16036638139).

11606564518181 is an equidigital number, since it uses as much as digits as its factorization.

11606564518181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276355.

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 11606564518181 in words is "eleven trillion, six hundred six billion, five hundred sixty-four million, five hundred eighteen thousand, one hundred eighty-one".