115541159 has 4 divisors (see below), whose sum is σ = 115564416. Its totient is φ = 115517904.

The previous prime is 115541141. The next prime is 115541161. The reversal of 115541159 is 951145511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115541159 - 2⁸ = 115540903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115541119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839 + ... + 15224.

It is an arithmetic number, because the mean of its divisors is an integer number (28891104).

Almost surely, 2^115541159 is an apocalyptic number.

115541159 is a deficient number, since it is larger than the sum of its proper divisors (23257).

115541159 is an equidigital number, since it uses as much as digits as its factorization.

115541159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23256.

The product of its digits is 4500, while the sum is 32.

The square root of 115541159 is about 10749.0073495184. The cubic root of 115541159 is about 487.0560098727.

The spelling of 115541159 in words is "one hundred fifteen million, five hundred forty-one thousand, one hundred fifty-nine".