111605353 has 2 divisors, whose sum is σ = 111605354. Its totient is φ = 111605352.

The previous prime is 111605309. The next prime is 111605371. The reversal of 111605353 is 353506111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91642329 + 19963024 = 9573^2 + 4468^2 .

It is a cyclic number.

It is not a de Polignac number, because 111605353 - 2¹⁷ = 111474281 is a prime.

It is not a weakly prime, because it can be changed into another prime (111605383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55802676 + 55802677.

It is an arithmetic number, because the mean of its divisors is an integer number (55802677).

Almost surely, 2^111605353 is an apocalyptic number.

It is an amenable number.

111605353 is a deficient number, since it is larger than the sum of its proper divisors (1).

111605353 is an equidigital number, since it uses as much as digits as its factorization.

111605353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 111605353 is about 10564.3434722656. The cubic root of 111605353 is about 481.4616226084.

The spelling of 111605353 in words is "one hundred eleven million, six hundred five thousand, three hundred fifty-three".