11587745388166 has 4 divisors (see below), whose sum is σ = 17381618082252. Its totient is φ = 5793872694082.

The previous prime is 11587745388139. The next prime is 11587745388173. The reversal of 11587745388166 is 66188354778511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11587745388095 and 11587745388104.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2896936347040 + ... + 2896936347043.

It is an arithmetic number, because the mean of its divisors is an integer number (4345404520563).

Almost surely, 2^{11587745388166} is an apocalyptic number.

11587745388166 is a deficient number, since it is larger than the sum of its proper divisors (5793872694086).

11587745388166 is an equidigital number, since it uses as much as digits as its factorization.

11587745388166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793872694085.

The product of its digits is 270950400, while the sum is 70.

The spelling of 11587745388166 in words is "eleven trillion, five hundred eighty-seven billion, seven hundred forty-five million, three hundred eighty-eight thousand, one hundred sixty-six".