11603113 has 2 divisors, whose sum is σ = 11603114. Its totient is φ = 11603112.

The previous prime is 11603087. The next prime is 11603143. The reversal of 11603113 is 31130611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11539609 + 63504 = 3397^2 + 252^2 .

It is an emirp because it is prime and its reverse (31130611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11603113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11603143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801556 + 5801557.

It is an arithmetic number, because the mean of its divisors is an integer number (5801557).

Almost surely, 2^11603113 is an apocalyptic number.

It is an amenable number.

11603113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11603113 is an equidigital number, since it uses as much as digits as its factorization.

11603113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 11603113 is about 3406.3342466646. The cubic root of 11603113 is about 226.3904871100.

Adding to 11603113 its reverse (31130611), we get a palindrome (42733724).

The spelling of 11603113 in words is "eleven million, six hundred three thousand, one hundred thirteen".