11816208001 has 8 divisors (see below), whose sum is σ = 13069070504. Its totient is φ = 10612477440.

The previous prime is 11816207993. The next prime is 11816208017. The reversal of 11816208001 is 10080261811.

It can be written as a sum of positive squares in 4 ways, for example, as 5487846400 + 6328361601 = 74080^2 + 79551^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11816208001 - 2³ = 11816207993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11816203001) 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 7 ways as a sum of consecutive naturals, for example, 12282480 + ... + 12283441.

It is an arithmetic number, because the mean of its divisors is an integer number (1633633813).

Almost surely, 2^11816208001 is an apocalyptic number.

It is an amenable number.

11816208001 is a deficient number, since it is larger than the sum of its proper divisors (1252862503).

11816208001 is a wasteful number, since it uses less digits than its factorization.

11816208001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24565971.

The product of its (nonzero) digits is 768, while the sum is 28.

Adding to 11816208001 its reverse (10080261811), we get a palindrome (21896469812).

The spelling of 11816208001 in words is "eleven billion, eight hundred sixteen million, two hundred eight thousand, one".