11020204409 has 2 divisors, whose sum is σ = 11020204410. Its totient is φ = 11020204408.

The previous prime is 11020204379. The next prime is 11020204471. The reversal of 11020204409 is 90440202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6386407225 + 4633797184 = 79915^2 + 68072^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020204409 - 2¹² = 11020200313 is a prime.

It is a super-2 number, since 2×11020204409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11020204499) 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, 5510102204 + 5510102205.

It is an arithmetic number, because the mean of its divisors is an integer number (5510102205).

Almost surely, 2^11020204409 is an apocalyptic number.

It is an amenable number.

11020204409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020204409 is an equidigital number, since it uses as much as digits as its factorization.

11020204409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 11020204409 in words is "eleven billion, twenty million, two hundred four thousand, four hundred nine".