11716757774881 has 2 divisors, whose sum is σ = 11716757774882. Its totient is φ = 11716757774880.

The previous prime is 11716757774801. The next prime is 11716757774951. The reversal of 11716757774881 is 18847775761711.

It is an a-pointer prime, because the next prime (11716757774951) can be obtained adding 11716757774881 to its sum of digits (70).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9670756526656 + 2046001248225 = 3109784^2 + 1430385^2 .

It is a cyclic number.

It is not a de Polignac number, because 11716757774881 - 2³¹ = 11714610291233 is a prime.

It is a super-2 number, since 2×11716757774881² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11716757774881.

It is not a weakly prime, because it can be changed into another prime (11716757774801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858378887440 + 5858378887441.

It is an arithmetic number, because the mean of its divisors is an integer number (5858378887441).

Almost surely, 2^{11716757774881} is an apocalyptic number.

It is an amenable number.

11716757774881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11716757774881 is an equidigital number, since it uses as much as digits as its factorization.

11716757774881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129077760, while the sum is 70.

The spelling of 11716757774881 in words is "eleven trillion, seven hundred sixteen billion, seven hundred fifty-seven million, seven hundred seventy-four thousand, eight hundred eighty-one".