11011613 has 2 divisors, whose sum is σ = 11011614. Its totient is φ = 11011612.

The previous prime is 11011601. The next prime is 11011661. The reversal of 11011613 is 31611011.

11011613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8508889 + 2502724 = 2917^2 + 1582^2 .

It is an emirp because it is prime and its reverse (31611011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011613 - 2²² = 6817309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505806 + 5505807.

It is an arithmetic number, because the mean of its divisors is an integer number (5505807).

Almost surely, 2^11011613 is an apocalyptic number.

It is an amenable number.

11011613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011613 is an equidigital number, since it uses as much as digits as its factorization.

11011613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 11011613 is about 3318.3750541492. The cubic root of 11011613 is about 222.4762454125.

Adding to 11011613 its reverse (31611011), we get a palindrome (42622624).

The spelling of 11011613 in words is "eleven million, eleven thousand, six hundred thirteen".