1164212311 has 2 divisors, whose sum is σ = 1164212312. Its totient is φ = 1164212310.

The previous prime is 1164212303. The next prime is 1164212351. The reversal of 1164212311 is 1132124611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1164212311 - 2³ = 1164212303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164212351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582106155 + 582106156.

It is an arithmetic number, because the mean of its divisors is an integer number (582106156).

Almost surely, 2^1164212311 is an apocalyptic number.

1164212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164212311 is an equidigital number, since it uses as much as digits as its factorization.

1164212311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 1164212311 is about 34120.5555494045. Note that the first 4 decimals coincide. The cubic root of 1164212311 is about 1051.9878626188.

Adding to 1164212311 its reverse (1132124611), we get a palindrome (2296336922).

The spelling of 1164212311 in words is "one billion, one hundred sixty-four million, two hundred twelve thousand, three hundred eleven".