11521304102 has 32 divisors (see below), whose sum is σ = 21610368000. Its totient is φ = 4475479680.

The previous prime is 11521304099. The next prime is 11521304117. The reversal of 11521304102 is 20140312511.

11521304102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59102 + ... + 162897.

It is an arithmetic number, because the mean of its divisors is an integer number (675324000).

Almost surely, 2^11521304102 is an apocalyptic number.

11521304102 is a deficient number, since it is larger than the sum of its proper divisors (10089063898).

11521304102 is a wasteful number, since it uses less digits than its factorization.

11521304102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222356.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11521304102 its reverse (20140312511), we get a palindrome (31661616613).

The spelling of 11521304102 in words is "eleven billion, five hundred twenty-one million, three hundred four thousand, one hundred two".