115955943 has 4 divisors (see below), whose sum is σ = 154607928. Its totient is φ = 77303960.

The previous prime is 115955921. The next prime is 115955951. The reversal of 115955943 is 349559511.

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 115955943 - 2⁸ = 115955687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115955895 and 115955904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115905943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19325988 + ... + 19325993.

It is an arithmetic number, because the mean of its divisors is an integer number (38651982).

Almost surely, 2^115955943 is an apocalyptic number.

115955943 is a deficient number, since it is larger than the sum of its proper divisors (38651985).

115955943 is an equidigital number, since it uses as much as digits as its factorization.

115955943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38651984.

The product of its digits is 121500, while the sum is 42.

The square root of 115955943 is about 10768.2841251520. The cubic root of 115955943 is about 487.6381452018.

The spelling of 115955943 in words is "one hundred fifteen million, nine hundred fifty-five thousand, nine hundred forty-three".