109955959 has 2 divisors, whose sum is σ = 109955960. Its totient is φ = 109955958.

The previous prime is 109955947. The next prime is 109955987. The reversal of 109955959 is 959559901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109955959 - 2⁵ = 109955927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109955929) 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, 54977979 + 54977980.

It is an arithmetic number, because the mean of its divisors is an integer number (54977980).

Almost surely, 2^109955959 is an apocalyptic number.

109955959 is a deficient number, since it is larger than the sum of its proper divisors (1).

109955959 is an equidigital number, since it uses as much as digits as its factorization.

109955959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 820125, while the sum is 52.

The square root of 109955959 is about 10485.9886992119. The cubic root of 109955959 is about 479.0780320426.

The spelling of 109955959 in words is "one hundred nine million, nine hundred fifty-five thousand, nine hundred fifty-nine".