11816414017 has 4 divisors (see below), whose sum is σ = 12135776596. Its totient is φ = 11497051440.

The previous prime is 11816413993. The next prime is 11816414021. The reversal of 11816414017 is 71041461811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10802692096 + 1013721921 = 103936^2 + 31839^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11816414017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11816412017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159681234 + ... + 159681307.

It is an arithmetic number, because the mean of its divisors is an integer number (3033944149).

Almost surely, 2^11816414017 is an apocalyptic number.

It is an amenable number.

11816414017 is a deficient number, since it is larger than the sum of its proper divisors (319362579).

11816414017 is an equidigital number, since it uses as much as digits as its factorization.

11816414017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319362578.

The product of its (nonzero) digits is 5376, while the sum is 34.

Adding to 11816414017 its reverse (71041461811), we get a palindrome (82857875828).

The spelling of 11816414017 in words is "eleven billion, eight hundred sixteen million, four hundred fourteen thousand, seventeen".