11520312135132 has 24 divisors (see below), whose sum is σ = 27607234487056. Its totient is φ = 3736317449088.

The previous prime is 11520312135077. The next prime is 11520312135151. The reversal of 11520312135132 is 23153121302511.

It is a happy number.

11520312135132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11520312135132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12973324033 + ... + 12973324920.

Almost surely, 2^{11520312135132} is an apocalyptic number.

11520312135132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11520312135132 is an abundant number, since it is smaller than the sum of its proper divisors (16086922351924).

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

11520312135132 is a wasteful number, since it uses less digits than its factorization.

11520312135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25946648997 (or 25946648995 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 11520312135132 its reverse (23153121302511), we get a palindrome (34673433437643).

The spelling of 11520312135132 in words is "eleven trillion, five hundred twenty billion, three hundred twelve million, one hundred thirty-five thousand, one hundred thirty-two".