116820043957 has 2 divisors, whose sum is σ = 116820043958. Its totient is φ = 116820043956.

The previous prime is 116820043943. The next prime is 116820043979. The reversal of 116820043957 is 759340028611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109381671441 + 7438372516 = 330729^2 + 86246^2 .

It is a cyclic number.

It is not a de Polignac number, because 116820043957 - 2¹¹ = 116820041909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116820043157) 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, 58410021978 + 58410021979.

It is an arithmetic number, because the mean of its divisors is an integer number (58410021979).

It is a 1-persistent number, because it is pandigital, but 2⋅116820043957 = 233640087914 is not.

Almost surely, 2^116820043957 is an apocalyptic number.

It is an amenable number.

116820043957 is a deficient number, since it is larger than the sum of its proper divisors (1).

116820043957 is an equidigital number, since it uses as much as digits as its factorization.

116820043957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 116820043957 in words is "one hundred sixteen billion, eight hundred twenty million, forty-three thousand, nine hundred fifty-seven".