111359653 has 2 divisors, whose sum is σ = 111359654. Its totient is φ = 111359652.

The previous prime is 111359597. The next prime is 111359663. The reversal of 111359653 is 356953111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79977249 + 31382404 = 8943^2 + 5602^2 .

It is an emirp because it is prime and its reverse (356953111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111359653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111359663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55679826 + 55679827.

It is an arithmetic number, because the mean of its divisors is an integer number (55679827).

Almost surely, 2^111359653 is an apocalyptic number.

It is an amenable number.

111359653 is a deficient number, since it is larger than the sum of its proper divisors (1).

111359653 is an equidigital number, since it uses as much as digits as its factorization.

111359653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 34.

The square root of 111359653 is about 10552.7083253542. The cubic root of 111359653 is about 481.1080492567.

The spelling of 111359653 in words is "one hundred eleven million, three hundred fifty-nine thousand, six hundred fifty-three".