11220949976843 has 2 divisors, whose sum is σ = 11220949976844. Its totient is φ = 11220949976842.

The previous prime is 11220949976777. The next prime is 11220949976861. The reversal of 11220949976843 is 34867994902211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11220949976843 - 2¹² = 11220949972747 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11220949976843.

It is not a weakly prime, because it can be changed into another prime (11220949970843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610474988421 + 5610474988422.

It is an arithmetic number, because the mean of its divisors is an integer number (5610474988422).

Almost surely, 2^{11220949976843} is an apocalyptic number.

11220949976843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220949976843 is an equidigital number, since it uses as much as digits as its factorization.

11220949976843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 11220949976843 in words is "eleven trillion, two hundred twenty billion, nine hundred forty-nine million, nine hundred seventy-six thousand, eight hundred forty-three".