11405247166 has 8 divisors (see below), whose sum is σ = 17397834840. Its totient is φ = 5605968888.

The previous prime is 11405247163. The next prime is 11405247187. The reversal of 11405247166 is 66174250411.

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

It is a super-3 number, since 3×11405247166³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405247163) 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 3 ways as a sum of consecutive naturals, for example, 48327201 + ... + 48327436.

It is an arithmetic number, because the mean of its divisors is an integer number (2174729355).

Almost surely, 2^11405247166 is an apocalyptic number.

11405247166 is a deficient number, since it is larger than the sum of its proper divisors (5992587674).

11405247166 is an equidigital number, since it uses as much as digits as its factorization.

11405247166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96654698.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 11405247166 its reverse (66174250411), we get a palindrome (77579497577).

The spelling of 11405247166 in words is "eleven billion, four hundred five million, two hundred forty-seven thousand, one hundred sixty-six".