11818165407744 has 104 divisors (see below), whose sum is σ = 31515530663232. Its totient is φ = 3938854666240.

The previous prime is 11818165407709. The next prime is 11818165407767. The reversal of 11818165407744 is 44770456181811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96436429 + ... + 96558899.

Almost surely, 2^{11818165407744} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11818165407744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15757765331616).

11818165407744 is an abundant number, since it is smaller than the sum of its proper divisors (19697365255488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11818165407744 is an equidigital number, since it uses as much as digits as its factorization.

11818165407744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130351 (or 130329 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 11818165407744 in words is "eleven trillion, eight hundred eighteen billion, one hundred sixty-five million, four hundred seven thousand, seven hundred forty-four".