11521135304 has 32 divisors (see below), whose sum is σ = 24705595200. Its totient is φ = 4934139840.

The previous prime is 11521135303. The next prime is 11521135313. The reversal of 11521135304 is 40353112511.

11521135304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11521135303) 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 7 ways as a sum of consecutive naturals, for example, 8039 + ... + 152009.

It is an arithmetic number, because the mean of its divisors is an integer number (772049850).

Almost surely, 2^11521135304 is an apocalyptic number.

11521135304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11521135304 is an abundant number, since it is smaller than the sum of its proper divisors (13184459896).

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

11521135304 is a wasteful number, since it uses less digits than its factorization.

11521135304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145413 (or 145409 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11521135304 its reverse (40353112511), we get a palindrome (51874247815).

The spelling of 11521135304 in words is "eleven billion, five hundred twenty-one million, one hundred thirty-five thousand, three hundred four".