36640111 has 2 divisors, whose sum is σ = 36640112. Its totient is φ = 36640110.

The previous prime is 36640091. The next prime is 36640129. The reversal of 36640111 is 11104663.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11104663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36640111 - 2⁹ = 36639599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36640181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18320055 + 18320056.

It is an arithmetic number, because the mean of its divisors is an integer number (18320056).

Almost surely, 2^36640111 is an apocalyptic number.

36640111 is a deficient number, since it is larger than the sum of its proper divisors (1).

36640111 is an equidigital number, since it uses as much as digits as its factorization.

36640111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 36640111 is about 6053.1075490198. The cubic root of 36640111 is about 332.1382758553.

Adding to 36640111 its reverse (11104663), we get a palindrome (47744774).

The spelling of 36640111 in words is "thirty-six million, six hundred forty thousand, one hundred eleven".