11521135210 has 64 divisors (see below), whose sum is σ = 22959417600. Its totient is φ = 4136348160.

The previous prime is 11521135189. The next prime is 11521135217. The reversal of 11521135210 is 1253112511.

11521135210 is digitally balanced in base 5, 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 (11521135217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665241 + ... + 682339.

It is an arithmetic number, because the mean of its divisors is an integer number (358740900).

Almost surely, 2^11521135210 is an apocalyptic number.

11521135210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11521135210 is a deficient number, since it is larger than the sum of its proper divisors (11438282390).

11521135210 is a wasteful number, since it uses less digits than its factorization.

11521135210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17263.

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

Adding to 11521135210 its reverse (1253112511), we get a palindrome (12774247721).

The spelling of 11521135210 in words is "eleven billion, five hundred twenty-one million, one hundred thirty-five thousand, two hundred ten".