11613030220237 has 2 divisors, whose sum is σ = 11613030220238. Its totient is φ = 11613030220236.

The previous prime is 11613030220157. The next prime is 11613030220301. The reversal of 11613030220237 is 73202203031611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9890389720201 + 1722640500036 = 3144899^2 + 1312494^2 .

It is an emirp because it is prime and its reverse (73202203031611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11613030220237 - 2⁷ = 11613030220109 is a prime.

It is a super-2 number, since 2×11613030220237² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11613030220199 and 11613030220208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11613030620237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806515110118 + 5806515110119.

It is an arithmetic number, because the mean of its divisors is an integer number (5806515110119).

Almost surely, 2^{11613030220237} is an apocalyptic number.

It is an amenable number.

11613030220237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11613030220237 is an equidigital number, since it uses as much as digits as its factorization.

11613030220237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 11613030220237 its reverse (73202203031611), we get a palindrome (84815233251848).

The spelling of 11613030220237 in words is "eleven trillion, six hundred thirteen billion, thirty million, two hundred twenty thousand, two hundred thirty-seven".