111039493 has 2 divisors, whose sum is σ = 111039494. Its totient is φ = 111039492.

The previous prime is 111039473. The next prime is 111039503. The reversal of 111039493 is 394930111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107806689 + 3232804 = 10383^2 + 1798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111039493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111039443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55519746 + 55519747.

It is an arithmetic number, because the mean of its divisors is an integer number (55519747).

Almost surely, 2^111039493 is an apocalyptic number.

It is an amenable number.

111039493 is a deficient number, since it is larger than the sum of its proper divisors (1).

111039493 is an equidigital number, since it uses as much as digits as its factorization.

111039493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 111039493 is about 10537.5278410071. The cubic root of 111039493 is about 480.6465433786.

The spelling of 111039493 in words is "one hundred eleven million, thirty-nine thousand, four hundred ninety-three".