11243371255969 has 2 divisors, whose sum is σ = 11243371255970. Its totient is φ = 11243371255968.

The previous prime is 11243371255957. The next prime is 11243371255997. The reversal of 11243371255969 is 96955217334211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5976621652369 + 5266749603600 = 2444713^2 + 2294940^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243371255969 - 2⁷ = 11243371255841 is a prime.

It is a super-2 number, since 2×11243371255969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11243371253969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621685627984 + 5621685627985.

It is an arithmetic number, because the mean of its divisors is an integer number (5621685627985).

Almost surely, 2^{11243371255969} is an apocalyptic number.

It is an amenable number.

11243371255969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243371255969 is an equidigital number, since it uses as much as digits as its factorization.

11243371255969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 58.

The spelling of 11243371255969 in words is "eleven trillion, two hundred forty-three billion, three hundred seventy-one million, two hundred fifty-five thousand, nine hundred sixty-nine".