111665063 has 4 divisors (see below), whose sum is σ = 111792408. Its totient is φ = 111537720.

The previous prime is 111665053. The next prime is 111665087. The reversal of 111665063 is 360566111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111665063 - 2⁸ = 111664807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111665003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62348 + ... + 64113.

It is an arithmetic number, because the mean of its divisors is an integer number (27948102).

Almost surely, 2^111665063 is an apocalyptic number.

111665063 is a deficient number, since it is larger than the sum of its proper divisors (127345).

111665063 is an equidigital number, since it uses as much as digits as its factorization.

111665063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127344.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 111665063 is about 10567.1691100313. The cubic root of 111665063 is about 481.5474695904.

The spelling of 111665063 in words is "one hundred eleven million, six hundred sixty-five thousand, sixty-three".