11200109968409 has 2 divisors, whose sum is σ = 11200109968410. Its totient is φ = 11200109968408.

The previous prime is 11200109968393. The next prime is 11200109968433. The reversal of 11200109968409 is 90486990100211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8340561328009 + 2859548640400 = 2888003^2 + 1691020^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200109968409 - 2⁴ = 11200109968393 is a prime.

It is not a weakly prime, because it can be changed into another prime (11200109962409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600054984204 + 5600054984205.

It is an arithmetic number, because the mean of its divisors is an integer number (5600054984205).

Almost surely, 2^{11200109968409} is an apocalyptic number.

It is an amenable number.

11200109968409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200109968409 is an equidigital number, since it uses as much as digits as its factorization.

11200109968409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 11200109968409 in words is "eleven trillion, two hundred billion, one hundred nine million, nine hundred sixty-eight thousand, four hundred nine".