116081695421 has 2 divisors, whose sum is σ = 116081695422. Its totient is φ = 116081695420.

The previous prime is 116081695343. The next prime is 116081695427. The reversal of 116081695421 is 124596180611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104154652900 + 11927042521 = 322730^2 + 109211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116081695421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116081695427) 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, 58040847710 + 58040847711.

It is an arithmetic number, because the mean of its divisors is an integer number (58040847711).

Almost surely, 2^116081695421 is an apocalyptic number.

It is an amenable number.

116081695421 is a deficient number, since it is larger than the sum of its proper divisors (1).

116081695421 is an equidigital number, since it uses as much as digits as its factorization.

116081695421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 116081695421 in words is "one hundred sixteen billion, eighty-one million, six hundred ninety-five thousand, four hundred twenty-one".