11241820817 has 2 divisors, whose sum is σ = 11241820818. Its totient is φ = 11241820816.

The previous prime is 11241820789. The next prime is 11241820823. The reversal of 11241820817 is 71802814211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9495333136 + 1746487681 = 97444^2 + 41791^2 .

It is a cyclic number.

It is not a de Polignac number, because 11241820817 - 2¹⁰ = 11241819793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11241820867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620910408 + 5620910409.

It is an arithmetic number, because the mean of its divisors is an integer number (5620910409).

Almost surely, 2^11241820817 is an apocalyptic number.

It is an amenable number.

11241820817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11241820817 is an equidigital number, since it uses as much as digits as its factorization.

11241820817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 35.

The spelling of 11241820817 in words is "eleven billion, two hundred forty-one million, eight hundred twenty thousand, eight hundred seventeen".