11771836482947 has 2 divisors, whose sum is σ = 11771836482948. Its totient is φ = 11771836482946.

The previous prime is 11771836482919. The next prime is 11771836483061. The reversal of 11771836482947 is 74928463817711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11771836482947 - 2⁴² = 7373789971843 is a prime.

It is a super-2 number, since 2×11771836482947² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11771836481947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885918241473 + 5885918241474.

It is an arithmetic number, because the mean of its divisors is an integer number (5885918241474).

Almost surely, 2^{11771836482947} is an apocalyptic number.

11771836482947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11771836482947 is an equidigital number, since it uses as much as digits as its factorization.

11771836482947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113799168, while the sum is 68.

The spelling of 11771836482947 in words is "eleven trillion, seven hundred seventy-one billion, eight hundred thirty-six million, four hundred eighty-two thousand, nine hundred forty-seven".