113581066636769 has 2 divisors, whose sum is σ = 113581066636770. Its totient is φ = 113581066636768.

The previous prime is 113581066636753. The next prime is 113581066636867. The reversal of 113581066636769 is 967636660185311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67570783821025 + 46010282815744 = 8220145^2 + 6783088^2 .

It is a cyclic number.

It is not a de Polignac number, because 113581066636769 - 2⁴ = 113581066636753 is a prime.

It is a super-2 number, since 2×113581066636769² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113581066636699 and 113581066636708.

It is not a weakly prime, because it can be changed into another prime (113581066636969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56790533318384 + 56790533318385.

It is an arithmetic number, because the mean of its divisors is an integer number (56790533318385).

Almost surely, 2^{113581066636769} is an apocalyptic number.

It is an amenable number.

113581066636769 is a deficient number, since it is larger than the sum of its proper divisors (1).

113581066636769 is an equidigital number, since it uses as much as digits as its factorization.

113581066636769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 68.

The spelling of 113581066636769 in words is "one hundred thirteen trillion, five hundred eighty-one billion, sixty-six million, six hundred thirty-six thousand, seven hundred sixty-nine".