11017238389 has 2 divisors, whose sum is σ = 11017238390. Its totient is φ = 11017238388.

The previous prime is 11017238387. The next prime is 11017238423. The reversal of 11017238389 is 98383271011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9260790289 + 1756448100 = 96233^2 + 41910^2 .

It is a cyclic number.

It is not a de Polignac number, because 11017238389 - 2¹ = 11017238387 is a prime.

Together with 11017238387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11017238383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5508619194 + 5508619195.

It is an arithmetic number, because the mean of its divisors is an integer number (5508619195).

Almost surely, 2^11017238389 is an apocalyptic number.

It is an amenable number.

11017238389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11017238389 is an equidigital number, since it uses as much as digits as its factorization.

11017238389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 11017238389 in words is "eleven billion, seventeen million, two hundred thirty-eight thousand, three hundred eighty-nine".