11605005101 has 2 divisors, whose sum is σ = 11605005102. Its totient is φ = 11605005100.

The previous prime is 11605005091. The next prime is 11605005131. The reversal of 11605005101 is 10150050611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11604675625 + 329476 = 107725^2 + 574^2 .

It is an emirp because it is prime and its reverse (10150050611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11605005101 is a prime.

It is a super-2 number, since 2×11605005101² (a number of 21 digits) contains 22 as substring.

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 (11605005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802502550 + 5802502551.

It is an arithmetic number, because the mean of its divisors is an integer number (5802502551).

Almost surely, 2^11605005101 is an apocalyptic number.

It is an amenable number.

11605005101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605005101 is an equidigital number, since it uses as much as digits as its factorization.

11605005101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 11605005101 its reverse (10150050611), we get a palindrome (21755055712).

The spelling of 11605005101 in words is "eleven billion, six hundred five million, five thousand, one hundred one".