11315611 has 2 divisors, whose sum is σ = 11315612. Its totient is φ = 11315610.

The previous prime is 11315587. The next prime is 11315641. The reversal of 11315611 is 11651311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11315611 - 2¹¹ = 11313563 is a prime.

It is a super-3 number, since 3×11315611³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11315641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657805 + 5657806.

It is an arithmetic number, because the mean of its divisors is an integer number (5657806).

Almost surely, 2^11315611 is an apocalyptic number.

11315611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11315611 is an equidigital number, since it uses as much as digits as its factorization.

11315611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 19.

The square root of 11315611 is about 3363.8684575946. The cubic root of 11315611 is about 224.5049924237.

Adding to 11315611 its reverse (11651311), we get a palindrome (22966922).

The spelling of 11315611 in words is "eleven million, three hundred fifteen thousand, six hundred eleven".