11020205839 has 2 divisors, whose sum is σ = 11020205840. Its totient is φ = 11020205838.

The previous prime is 11020205821. The next prime is 11020205863. The reversal of 11020205839 is 93850202011.

It is a weak prime.

It is an emirp because it is prime and its reverse (93850202011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11020205839 - 2⁹ = 11020205327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020205839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020205939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510102919 + 5510102920.

It is an arithmetic number, because the mean of its divisors is an integer number (5510102920).

Almost surely, 2^11020205839 is an apocalyptic number.

11020205839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020205839 is an equidigital number, since it uses as much as digits as its factorization.

11020205839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11020205839 in words is "eleven billion, twenty million, two hundred five thousand, eight hundred thirty-nine".