116911321 has 2 divisors, whose sum is σ = 116911322. Its totient is φ = 116911320.

The previous prime is 116911307. The next prime is 116911357. The reversal of 116911321 is 123119611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109830400 + 7080921 = 10480^2 + 2661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116911321 is a prime.

It is not a weakly prime, because it can be changed into another prime (116911021) 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, 58455660 + 58455661.

It is an arithmetic number, because the mean of its divisors is an integer number (58455661).

Almost surely, 2^116911321 is an apocalyptic number.

It is an amenable number.

116911321 is a deficient number, since it is larger than the sum of its proper divisors (1).

116911321 is an equidigital number, since it uses as much as digits as its factorization.

116911321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 25.

The square root of 116911321 is about 10812.5538611375. The cubic root of 116911321 is about 488.9737245818.

The spelling of 116911321 in words is "one hundred sixteen million, nine hundred eleven thousand, three hundred twenty-one".