11520244517 has 2 divisors, whose sum is σ = 11520244518. Its totient is φ = 11520244516.

The previous prime is 11520244507. The next prime is 11520244591. The reversal of 11520244517 is 71544202511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6967908676 + 4552335841 = 83474^2 + 67471^2 .

It is an emirp because it is prime and its reverse (71544202511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11520244517 - 2⁴ = 11520244501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520244507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760122258 + 5760122259.

It is an arithmetic number, because the mean of its divisors is an integer number (5760122259).

Almost surely, 2^11520244517 is an apocalyptic number.

It is an amenable number.

11520244517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520244517 is an equidigital number, since it uses as much as digits as its factorization.

11520244517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 11520244517 in words is "eleven billion, five hundred twenty million, two hundred forty-four thousand, five hundred seventeen".