11520301322549 has 2 divisors, whose sum is σ = 11520301322550. Its totient is φ = 11520301322548.

The previous prime is 11520301322429. The next prime is 11520301322587. The reversal of 11520301322549 is 94522310302511.

It is an a-pointer prime, because the next prime (11520301322587) can be obtained adding 11520301322549 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10562545500049 + 957755822500 = 3250007^2 + 978650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520301322549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520307322549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760150661274 + 5760150661275.

It is an arithmetic number, because the mean of its divisors is an integer number (5760150661275).

Almost surely, 2^{11520301322549} is an apocalyptic number.

It is an amenable number.

11520301322549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520301322549 is an equidigital number, since it uses as much as digits as its factorization.

11520301322549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11520301322549 in words is "eleven trillion, five hundred twenty billion, three hundred one million, three hundred twenty-two thousand, five hundred forty-nine".