11000279745569 has 2 divisors, whose sum is σ = 11000279745570. Its totient is φ = 11000279745568.

The previous prime is 11000279745551. The next prime is 11000279745619. The reversal of 11000279745569 is 96554797200011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10991300287969 + 8979457600 = 3315313^2 + 94760^2 .

It is an emirp because it is prime and its reverse (96554797200011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000279745569 - 2²⁴ = 11000262968353 is a prime.

It is a super-2 number, since 2×11000279745569² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11000279745869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500139872784 + 5500139872785.

It is an arithmetic number, because the mean of its divisors is an integer number (5500139872785).

Almost surely, 2^{11000279745569} is an apocalyptic number.

It is an amenable number.

11000279745569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000279745569 is an equidigital number, since it uses as much as digits as its factorization.

11000279745569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 11000279745569 in words is "eleven trillion, two hundred seventy-nine million, seven hundred forty-five thousand, five hundred sixty-nine".