111608353 has 4 divisors (see below), whose sum is σ = 113500080. Its totient is φ = 109716628.

The previous prime is 111608323. The next prime is 111608359. The reversal of 111608353 is 353806111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353806111 = 53 ⋅6675587.

It is a cyclic number.

It is not a de Polignac number, because 111608353 - 2¹³ = 111600161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111608359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945775 + ... + 945892.

It is an arithmetic number, because the mean of its divisors is an integer number (28375020).

Almost surely, 2^111608353 is an apocalyptic number.

It is an amenable number.

111608353 is a deficient number, since it is larger than the sum of its proper divisors (1891727).

111608353 is an equidigital number, since it uses as much as digits as its factorization.

111608353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891726.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 111608353 is about 10564.4854583647. The cubic root of 111608353 is about 481.4659365351.

The spelling of 111608353 in words is "one hundred eleven million, six hundred eight thousand, three hundred fifty-three".