11520323126136 has 96 divisors (see below), whose sum is σ = 34040857593600. Its totient is φ = 3490644006720.

The previous prime is 11520323126113. The next prime is 11520323126171. The reversal of 11520323126136 is 63162132302511.

11520323126136 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 0 + 3 + 2 + 31 + 2 + 613 + 6 = 666.

It is a super-3 number, since 3×11520323126136³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11520323126136.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6914355 + ... + 8417181.

It is an arithmetic number, because the mean of its divisors is an integer number (354592266600).

Almost surely, 2^{11520323126136} is an apocalyptic number.

It is an amenable number.

11520323126136 is an abundant number, since it is smaller than the sum of its proper divisors (22520534467464).

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

11520323126136 is a wasteful number, since it uses less digits than its factorization.

11520323126136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512529 (or 1512522 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 11520323126136 its reverse (63162132302511), we get a palindrome (74682455428647).

The spelling of 11520323126136 in words is "eleven trillion, five hundred twenty billion, three hundred twenty-three million, one hundred twenty-six thousand, one hundred thirty-six".