11115016589 has 2 divisors, whose sum is σ = 11115016590. Its totient is φ = 11115016588.

The previous prime is 11115016579. The next prime is 11115016643. The reversal of 11115016589 is 98561051111.

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., 8993677225 + 2121339364 = 94835^2 + 46058^2 .

It is an emirp because it is prime and its reverse (98561051111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115016589 - 2²⁰ = 11113968013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115016519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557508294 + 5557508295.

It is an arithmetic number, because the mean of its divisors is an integer number (5557508295).

Almost surely, 2^11115016589 is an apocalyptic number.

It is an amenable number.

11115016589 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115016589 is an equidigital number, since it uses as much as digits as its factorization.

11115016589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 38.

The spelling of 11115016589 in words is "eleven billion, one hundred fifteen million, sixteen thousand, five hundred eighty-nine".