11718433748 has 24 divisors (see below), whose sum is σ = 23440002432. Its totient is φ = 5021514144.

The previous prime is 11718433747. The next prime is 11718433751. The reversal of 11718433748 is 84733481711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718433747) 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 7 ways as a sum of consecutive naturals, for example, 225290 + ... + 272382.

It is an arithmetic number, because the mean of its divisors is an integer number (976666768).

Almost surely, 2^11718433748 is an apocalyptic number.

It is an amenable number.

11718433748 is an abundant number, since it is smaller than the sum of its proper divisors (11721568684).

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

11718433748 is a wasteful number, since it uses less digits than its factorization.

11718433748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55991 (or 55989 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The spelling of 11718433748 in words is "eleven billion, seven hundred eighteen million, four hundred thirty-three thousand, seven hundred forty-eight".