111000959 has 2 divisors, whose sum is σ = 111000960. Its totient is φ = 111000958.

The previous prime is 111000949. The next prime is 111000961. The reversal of 111000959 is 959000111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111000959 - 2¹⁶ = 110935423 is a prime.

Together with 111000961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500479 + 55500480.

It is an arithmetic number, because the mean of its divisors is an integer number (55500480).

Almost surely, 2^111000959 is an apocalyptic number.

111000959 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000959 is an equidigital number, since it uses as much as digits as its factorization.

111000959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 111000959 is about 10535.6992648803. The cubic root of 111000959 is about 480.5909374067.

The spelling of 111000959 in words is "one hundred eleven million, nine hundred fifty-nine", and thus it is an aban number.