111952859 has 2 divisors, whose sum is σ = 111952860. Its totient is φ = 111952858.

The previous prime is 111952843. The next prime is 111952889. The reversal of 111952859 is 958259111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111952859 - 2⁴ = 111952843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111952889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55976429 + 55976430.

It is an arithmetic number, because the mean of its divisors is an integer number (55976430).

Almost surely, 2^111952859 is an apocalyptic number.

111952859 is a deficient number, since it is larger than the sum of its proper divisors (1).

111952859 is an equidigital number, since it uses as much as digits as its factorization.

111952859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 41.

The square root of 111952859 is about 10580.7778069478. Note that the first 3 decimals coincide. The cubic root of 111952859 is about 481.9608144656.

The spelling of 111952859 in words is "one hundred eleven million, nine hundred fifty-two thousand, eight hundred fifty-nine".