11026938817 has 2 divisors, whose sum is σ = 11026938818. Its totient is φ = 11026938816.

The previous prime is 11026938773. The next prime is 11026938883. The reversal of 11026938817 is 71883962011.

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., 10904371776 + 122567041 = 104424^2 + 11071^2 .

It is an emirp because it is prime and its reverse (71883962011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11026938817 is a prime.

It is a super-2 number, since 2×11026938817² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11026938217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513469408 + 5513469409.

It is an arithmetic number, because the mean of its divisors is an integer number (5513469409).

Almost surely, 2^11026938817 is an apocalyptic number.

It is an amenable number.

11026938817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11026938817 is an equidigital number, since it uses as much as digits as its factorization.

11026938817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 11026938817 in words is "eleven billion, twenty-six million, nine hundred thirty-eight thousand, eight hundred seventeen".