11344448967781 has 2 divisors, whose sum is σ = 11344448967782. Its totient is φ = 11344448967780.

The previous prime is 11344448967713. The next prime is 11344448967851. The reversal of 11344448967781 is 18776984444311.

11344448967781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11069627681025 + 274821286756 = 3327105^2 + 524234^2 .

It is a cyclic number.

It is not a de Polignac number, because 11344448967781 - 2²⁷ = 11344314750053 is a prime.

It is a super-2 number, since 2×11344448967781² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11344448968781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672224483890 + 5672224483891.

It is an arithmetic number, because the mean of its divisors is an integer number (5672224483891).

Almost surely, 2^{11344448967781} is an apocalyptic number.

It is an amenable number.

11344448967781 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344448967781 is an equidigital number, since it uses as much as digits as its factorization.

11344448967781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130056192, while the sum is 67.

The spelling of 11344448967781 in words is "eleven trillion, three hundred forty-four billion, four hundred forty-eight million, nine hundred sixty-seven thousand, seven hundred eighty-one".