11513025121 has 12 divisors (see below), whose sum is σ = 12678078960. Its totient is φ = 10447273200.

The previous prime is 11513025119. The next prime is 11513025169. The reversal of 11513025121 is 12152031511.

11513025121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11513025121 - 2¹ = 11513025119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11513025092 and 11513025101.

It is not an unprimeable number, because it can be changed into a prime (11513025101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567355 + ... + 587296.

It is an arithmetic number, because the mean of its divisors is an integer number (1056506580).

Almost surely, 2^11513025121 is an apocalyptic number.

It is an amenable number.

11513025121 is a deficient number, since it is larger than the sum of its proper divisors (1165053839).

11513025121 is a wasteful number, since it uses less digits than its factorization.

11513025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154736 (or 1154723 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11513025121 its reverse (12152031511), we get a palindrome (23665056632).

The spelling of 11513025121 in words is "eleven billion, five hundred thirteen million, twenty-five thousand, one hundred twenty-one".