115955951 has 2 divisors, whose sum is σ = 115955952. Its totient is φ = 115955950.

The previous prime is 115955921. The next prime is 115955977. The reversal of 115955951 is 159559511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115955951 - 2²² = 111761647 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115955899 and 115955908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115955921) 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, 57977975 + 57977976.

It is an arithmetic number, because the mean of its divisors is an integer number (57977976).

Almost surely, 2^115955951 is an apocalyptic number.

115955951 is a deficient number, since it is larger than the sum of its proper divisors (1).

115955951 is an equidigital number, since it uses as much as digits as its factorization.

115955951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50625, while the sum is 41.

The square root of 115955951 is about 10768.2844966132. The cubic root of 115955951 is about 487.6381564162.

The spelling of 115955951 in words is "one hundred fifteen million, nine hundred fifty-five thousand, nine hundred fifty-one".