11809704075613 has 2 divisors, whose sum is σ = 11809704075614. Its totient is φ = 11809704075612.

The previous prime is 11809704075601. The next prime is 11809704075707. The reversal of 11809704075613 is 31657040790811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11441833926084 + 367870149529 = 3382578^2 + 606523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11809704075613 is a prime.

It is a super-2 number, since 2×11809704075613² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11809704076613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5904852037806 + 5904852037807.

It is an arithmetic number, because the mean of its divisors is an integer number (5904852037807).

Almost surely, 2^{11809704075613} is an apocalyptic number.

It is an amenable number.

11809704075613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11809704075613 is an equidigital number, since it uses as much as digits as its factorization.

11809704075613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 11809704075613 in words is "eleven trillion, eight hundred nine billion, seven hundred four million, seventy-five thousand, six hundred thirteen".