115859101 has 2 divisors, whose sum is σ = 115859102. Its totient is φ = 115859100.

The previous prime is 115859047. The next prime is 115859143. The reversal of 115859101 is 101958511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96727225 + 19131876 = 9835^2 + 4374^2 .

It is a cyclic number.

It is not a de Polignac number, because 115859101 - 2¹³ = 115850909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115859201) 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, 57929550 + 57929551.

It is an arithmetic number, because the mean of its divisors is an integer number (57929551).

Almost surely, 2^115859101 is an apocalyptic number.

It is an amenable number.

115859101 is a deficient number, since it is larger than the sum of its proper divisors (1).

115859101 is an equidigital number, since it uses as much as digits as its factorization.

115859101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 31.

The square root of 115859101 is about 10763.7865549257. The cubic root of 115859101 is about 487.5023551059.

The spelling of 115859101 in words is "one hundred fifteen million, eight hundred fifty-nine thousand, one hundred one".