1163979211 has 2 divisors, whose sum is σ = 1163979212. Its totient is φ = 1163979210.

The previous prime is 1163979191. The next prime is 1163979221. The reversal of 1163979211 is 1129793611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1163979211 - 2¹³ = 1163971019 is a prime.

It is a super-3 number, since 3×1163979211³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1163979221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581989605 + 581989606.

It is an arithmetic number, because the mean of its divisors is an integer number (581989606).

Almost surely, 2^1163979211 is an apocalyptic number.

1163979211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163979211 is an equidigital number, since it uses as much as digits as its factorization.

1163979211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 1163979211 is about 34117.1395489129. The cubic root of 1163979211 is about 1051.9176478375.

The spelling of 1163979211 in words is "one billion, one hundred sixty-three million, nine hundred seventy-nine thousand, two hundred eleven".