11520230215 has 16 divisors (see below), whose sum is σ = 14918803200. Its totient is φ = 8489463552.

The previous prime is 11520230203. The next prime is 11520230231. The reversal of 11520230215 is 51203202511.

11520230215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520230215 is a prime.

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, 153870 + ... + 216139.

It is an arithmetic number, because the mean of its divisors is an integer number (932425200).

Almost surely, 2^11520230215 is an apocalyptic number.

11520230215 is a deficient number, since it is larger than the sum of its proper divisors (3398572985).

11520230215 is a wasteful number, since it uses less digits than its factorization.

11520230215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370506.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 11520230215 its reverse (51203202511), we get a palindrome (62723432726).

The spelling of 11520230215 in words is "eleven billion, five hundred twenty million, two hundred thirty thousand, two hundred fifteen".