111852089 has 2 divisors, whose sum is σ = 111852090. Its totient is φ = 111852088.

The previous prime is 111852079. The next prime is 111852109. The reversal of 111852089 is 980258111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103632400 + 8219689 = 10180^2 + 2867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111852089 is a prime.

It is not a weakly prime, because it can be changed into another prime (111852019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55926044 + 55926045.

It is an arithmetic number, because the mean of its divisors is an integer number (55926045).

Almost surely, 2^111852089 is an apocalyptic number.

It is an amenable number.

111852089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111852089 is an equidigital number, since it uses as much as digits as its factorization.

111852089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 111852089 is about 10576.0147976447. The cubic root of 111852089 is about 481.8161649796.

The spelling of 111852089 in words is "one hundred eleven million, eight hundred fifty-two thousand, eighty-nine".