11321436114809 has 2 divisors, whose sum is σ = 11321436114810. Its totient is φ = 11321436114808.

The previous prime is 11321436114757. The next prime is 11321436114853. The reversal of 11321436114809 is 90841163412311.

It is an a-pointer prime, because the next prime (11321436114853) can be obtained adding 11321436114809 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6497579431225 + 4823856683584 = 2549035^2 + 2196328^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321436114809 - 2²⁴ = 11321419337593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11321436114809.

It is not a weakly prime, because it can be changed into another prime (11321436114509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660718057404 + 5660718057405.

It is an arithmetic number, because the mean of its divisors is an integer number (5660718057405).

Almost surely, 2^{11321436114809} is an apocalyptic number.

It is an amenable number.

11321436114809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321436114809 is an equidigital number, since it uses as much as digits as its factorization.

11321436114809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 11321436114809 in words is "eleven trillion, three hundred twenty-one billion, four hundred thirty-six million, one hundred fourteen thousand, eight hundred nine".