11612311 has 2 divisors, whose sum is σ = 11612312. Its totient is φ = 11612310.

The previous prime is 11612303. The next prime is 11612317. The reversal of 11612311 is 11321611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11612311 - 2³ = 11612303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11612317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806155 + 5806156.

It is an arithmetic number, because the mean of its divisors is an integer number (5806156).

Almost surely, 2^11612311 is an apocalyptic number.

11612311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11612311 is an equidigital number, since it uses as much as digits as its factorization.

11612311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 16.

The square root of 11612311 is about 3407.6841109469. The cubic root of 11612311 is about 226.4502926038.

Adding to 11612311 its reverse (11321611), we get a palindrome (22933922).

The spelling of 11612311 in words is "eleven million, six hundred twelve thousand, three hundred eleven".