1162665211 has 2 divisors, whose sum is σ = 1162665212. Its totient is φ = 1162665210.

The previous prime is 1162665197. The next prime is 1162665221. The reversal of 1162665211 is 1125662611.

It is a strong prime.

It is an emirp because it is prime and its reverse (1125662611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1162665211 - 2¹¹ = 1162663163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162665221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581332605 + 581332606.

It is an arithmetic number, because the mean of its divisors is an integer number (581332606).

Almost surely, 2^1162665211 is an apocalyptic number.

1162665211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162665211 is an equidigital number, since it uses as much as digits as its factorization.

1162665211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 1162665211 is about 34097.8769280435. The cubic root of 1162665211 is about 1051.5216670429.

The spelling of 1162665211 in words is "one billion, one hundred sixty-two million, six hundred sixty-five thousand, two hundred eleven".