1150231211 has 2 divisors, whose sum is σ = 1150231212. Its totient is φ = 1150231210.

The previous prime is 1150231163. The next prime is 1150231241. The reversal of 1150231211 is 1121320511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150231211 - 2¹⁰ = 1150230187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150231211.

It is not a weakly prime, because it can be changed into another prime (1150231241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575115605 + 575115606.

It is an arithmetic number, because the mean of its divisors is an integer number (575115606).

Almost surely, 2^1150231211 is an apocalyptic number.

1150231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150231211 is an equidigital number, since it uses as much as digits as its factorization.

1150231211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1150231211 is about 33915.0587645075. The cubic root of 1150231211 is about 1047.7597621910.

Adding to 1150231211 its reverse (1121320511), we get a palindrome (2271551722).

The spelling of 1150231211 in words is "one billion, one hundred fifty million, two hundred thirty-one thousand, two hundred eleven".