11112344556869 has 2 divisors, whose sum is σ = 11112344556870. Its totient is φ = 11112344556868.

The previous prime is 11112344556787. The next prime is 11112344556893. The reversal of 11112344556869 is 96865544321111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10836520020769 + 275824536100 = 3291887^2 + 525190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112344556869 is a prime.

It is a super-2 number, since 2×11112344556869² (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 (11112344556899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556172278434 + 5556172278435.

It is an arithmetic number, because the mean of its divisors is an integer number (5556172278435).

Almost surely, 2^{11112344556869} is an apocalyptic number.

It is an amenable number.

11112344556869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112344556869 is an equidigital number, since it uses as much as digits as its factorization.

11112344556869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 56.

The spelling of 11112344556869 in words is "eleven trillion, one hundred twelve billion, three hundred forty-four million, five hundred fifty-six thousand, eight hundred sixty-nine".