116993998081 has 2 divisors, whose sum is σ = 116993998082. Its totient is φ = 116993998080.

The previous prime is 116993998073. The next prime is 116993998129. The reversal of 116993998081 is 180899399611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65093868225 + 51900129856 = 255135^2 + 227816^2 .

It is a cyclic number.

It is not a de Polignac number, because 116993998081 - 2³ = 116993998073 is a prime.

It is a super-2 number, since 2×116993998081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116993998061) 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, 58496999040 + 58496999041.

It is an arithmetic number, because the mean of its divisors is an integer number (58496999041).

Almost surely, 2^116993998081 is an apocalyptic number.

It is an amenable number.

116993998081 is a deficient number, since it is larger than the sum of its proper divisors (1).

116993998081 is an equidigital number, since it uses as much as digits as its factorization.

116993998081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 64.

The spelling of 116993998081 in words is "one hundred sixteen billion, nine hundred ninety-three million, nine hundred ninety-eight thousand, eighty-one".