116520566837 has 2 divisors, whose sum is σ = 116520566838. Its totient is φ = 116520566836.

The previous prime is 116520566819. The next prime is 116520566863. The reversal of 116520566837 is 738665025611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69489704881 + 47030861956 = 263609^2 + 216866^2 .

It is an emirp because it is prime and its reverse (738665025611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116520566837 - 2¹⁴ = 116520550453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116520566807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58260283418 + 58260283419.

It is an arithmetic number, because the mean of its divisors is an integer number (58260283419).

Almost surely, 2^116520566837 is an apocalyptic number.

It is an amenable number.

116520566837 is a deficient number, since it is larger than the sum of its proper divisors (1).

116520566837 is an equidigital number, since it uses as much as digits as its factorization.

116520566837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 116520566837 in words is "one hundred sixteen billion, five hundred twenty million, five hundred sixty-six thousand, eight hundred thirty-seven".