111494993 has 8 divisors (see below), whose sum is σ = 118484712. Its totient is φ = 104553216.

The previous prime is 111494947. The next prime is 111495019. The reversal of 111494993 is 399494111.

It can be written as a sum of positive squares in 4 ways, for example, as 10452289 + 101042704 = 3233^2 + 10052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111494993 - 2⁸ = 111494737 is a prime.

It is a super-2 number, since 2×111494993² = 24862266928140098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111494993.

It is not an unprimeable number, because it can be changed into a prime (111494093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7130 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (14810589).

Almost surely, 2^111494993 is an apocalyptic number.

It is an amenable number.

111494993 is a deficient number, since it is larger than the sum of its proper divisors (6989719).

111494993 is a wasteful number, since it uses less digits than its factorization.

111494993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971.

The product of its digits is 34992, while the sum is 41.

The square root of 111494993 is about 10559.1189499882. The cubic root of 111494993 is about 481.3028738668.

The spelling of 111494993 in words is "one hundred eleven million, four hundred ninety-four thousand, nine hundred ninety-three".