116660801009 has 2 divisors, whose sum is σ = 116660801010. Its totient is φ = 116660801008.

The previous prime is 116660800973. The next prime is 116660801011. The reversal of 116660801009 is 900108066611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115755091984 + 905709025 = 340228^2 + 30095^2 .

It is a cyclic number.

It is not a de Polignac number, because 116660801009 - 2¹⁶ = 116660735473 is a prime.

It is a super-2 number, since 2×116660801009² (a number of 23 digits) contains 22 as substring.

Together with 116660801011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116660801029) 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, 58330400504 + 58330400505.

It is an arithmetic number, because the mean of its divisors is an integer number (58330400505).

Almost surely, 2^116660801009 is an apocalyptic number.

It is an amenable number.

116660801009 is a deficient number, since it is larger than the sum of its proper divisors (1).

116660801009 is an equidigital number, since it uses as much as digits as its factorization.

116660801009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 116660801009 in words is "one hundred sixteen billion, six hundred sixty million, eight hundred one thousand, nine".