11069998936781 has 2 divisors, whose sum is σ = 11069998936782. Its totient is φ = 11069998936780.

The previous prime is 11069998936729. The next prime is 11069998936783. The reversal of 11069998936781 is 18763989996011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10984147006756 + 85851930025 = 3314234^2 + 293005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11069998936781 is a prime.

It is a super-2 number, since 2×11069998936781² (a number of 27 digits) contains 22 as substring.

Together with 11069998936783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11069998936783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5534999468390 + 5534999468391.

It is an arithmetic number, because the mean of its divisors is an integer number (5534999468391).

Almost surely, 2^{11069998936781} is an apocalyptic number.

It is an amenable number.

11069998936781 is a deficient number, since it is larger than the sum of its proper divisors (1).

11069998936781 is an equidigital number, since it uses as much as digits as its factorization.

11069998936781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317447424, while the sum is 77.

The spelling of 11069998936781 in words is "eleven trillion, sixty-nine billion, nine hundred ninety-eight million, nine hundred thirty-six thousand, seven hundred eighty-one".