116131335020681 has 2 divisors, whose sum is σ = 116131335020682. Its totient is φ = 116131335020680.

The previous prime is 116131335020653. The next prime is 116131335020747. The reversal of 116131335020681 is 186020533131611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111759974012281 + 4371361008400 = 10571659^2 + 2090780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116131335020681 is a prime.

It is a super-2 number, since 2×116131335020681² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116131335020081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58065667510340 + 58065667510341.

It is an arithmetic number, because the mean of its divisors is an integer number (58065667510341).

Almost surely, 2^{116131335020681} is an apocalyptic number.

It is an amenable number.

116131335020681 is a deficient number, since it is larger than the sum of its proper divisors (1).

116131335020681 is an equidigital number, since it uses as much as digits as its factorization.

116131335020681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 116131335020681 in words is "one hundred sixteen trillion, one hundred thirty-one billion, three hundred thirty-five million, twenty thousand, six hundred eighty-one".