111950563 has 2 divisors, whose sum is σ = 111950564. Its totient is φ = 111950562.

The previous prime is 111950561. The next prime is 111950581. The reversal of 111950563 is 365059111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111950563 - 2¹ = 111950561 is a prime.

Together with 111950561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111950561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55975281 + 55975282.

It is an arithmetic number, because the mean of its divisors is an integer number (55975282).

Almost surely, 2^111950563 is an apocalyptic number.

111950563 is a deficient number, since it is larger than the sum of its proper divisors (1).

111950563 is an equidigital number, since it uses as much as digits as its factorization.

111950563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 111950563 is about 10580.6693077518. The cubic root of 111950563 is about 481.9575196574.

The spelling of 111950563 in words is "one hundred eleven million, nine hundred fifty thousand, five hundred sixty-three".