11520205617052 has 24 divisors (see below), whose sum is σ = 21993784589952. Its totient is φ = 5236298818800.

The previous prime is 11520205617029. The next prime is 11520205617077. The reversal of 11520205617052 is 25071650202511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478574 + ... + 5402197.

It is an arithmetic number, because the mean of its divisors is an integer number (916407691248).

Almost surely, 2^{11520205617052} is an apocalyptic number.

It is an amenable number.

11520205617052 is a deficient number, since it is larger than the sum of its proper divisors (10473578972900).

11520205617052 is a wasteful number, since it uses less digits than its factorization.

11520205617052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914009 (or 7914007 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 11520205617052 its reverse (25071650202511), we get a palindrome (36591855819563).

The spelling of 11520205617052 in words is "eleven trillion, five hundred twenty billion, two hundred five million, six hundred seventeen thousand, fifty-two".