115859011 has 2 divisors, whose sum is σ = 115859012. Its totient is φ = 115859010.

The previous prime is 115858999. The next prime is 115859021. The reversal of 115859011 is 110958511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115859011 - 2¹¹ = 115856963 is a prime.

It is not a weakly prime, because it can be changed into another prime (115859021) 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, 57929505 + 57929506.

It is an arithmetic number, because the mean of its divisors is an integer number (57929506).

Almost surely, 2^115859011 is an apocalyptic number.

115859011 is a deficient number, since it is larger than the sum of its proper divisors (1).

115859011 is an equidigital number, since it uses as much as digits as its factorization.

115859011 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 115859011 is about 10763.7823742400. The cubic root of 115859011 is about 487.5022288743.

The spelling of 115859011 in words is "one hundred fifteen million, eight hundred fifty-nine thousand, eleven".