36111811 has 2 divisors, whose sum is σ = 36111812. Its totient is φ = 36111810.

The previous prime is 36111793. The next prime is 36111827. The reversal of 36111811 is 11811163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36111811 - 2¹¹ = 36109763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36111871) 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, 18055905 + 18055906.

It is an arithmetic number, because the mean of its divisors is an integer number (18055906).

Almost surely, 2^36111811 is an apocalyptic number.

36111811 is a deficient number, since it is larger than the sum of its proper divisors (1).

36111811 is an equidigital number, since it uses as much as digits as its factorization.

36111811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 22.

The square root of 36111811 is about 6009.3103597668. The cubic root of 36111811 is about 330.5342158397.

Adding to 36111811 its reverse (11811163), we get a palindrome (47922974).

The spelling of 36111811 in words is "thirty-six million, one hundred eleven thousand, eight hundred eleven".