11724136344208 has 10 divisors (see below), whose sum is σ = 22715514166934. Its totient is φ = 5862068172096.

The previous prime is 11724136344203. The next prime is 11724136344233. The reversal of 11724136344208 is 80244363142711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10476563509504 + 1247572834704 = 3236752^2 + 1116948^2 .

It is not an unprimeable number, because it can be changed into a prime (11724136344203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366379260741 + ... + 366379260772.

Almost surely, 2^{11724136344208} is an apocalyptic number.

It is an amenable number.

11724136344208 is a deficient number, since it is larger than the sum of its proper divisors (10991377822726).

11724136344208 is an equidigital number, since it uses as much as digits as its factorization.

11724136344208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732758521521 (or 732758521515 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

Adding to 11724136344208 its reverse (80244363142711), we get a palindrome (91968499486919).

The spelling of 11724136344208 in words is "eleven trillion, seven hundred twenty-four billion, one hundred thirty-six million, three hundred forty-four thousand, two hundred eight".