115878916201 has 2 divisors, whose sum is σ = 115878916202. Its totient is φ = 115878916200.

The previous prime is 115878916199. The next prime is 115878916247. The reversal of 115878916201 is 102619878511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91472978025 + 24405938176 = 302445^2 + 156224^2 .

It is an emirp because it is prime and its reverse (102619878511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115878916201 - 2¹ = 115878916199 is a prime.

Together with 115878916199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115878916001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57939458100 + 57939458101.

It is an arithmetic number, because the mean of its divisors is an integer number (57939458101).

Almost surely, 2^115878916201 is an apocalyptic number.

It is an amenable number.

115878916201 is a deficient number, since it is larger than the sum of its proper divisors (1).

115878916201 is an equidigital number, since it uses as much as digits as its factorization.

115878916201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 49.

The spelling of 115878916201 in words is "one hundred fifteen billion, eight hundred seventy-eight million, nine hundred sixteen thousand, two hundred one".