1149988211 has 2 divisors, whose sum is σ = 1149988212. Its totient is φ = 1149988210.

The previous prime is 1149988193. The next prime is 1149988237. The reversal of 1149988211 is 1128899411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1128899411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1149988211 - 2¹⁰ = 1149987187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1149988241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574994105 + 574994106.

It is an arithmetic number, because the mean of its divisors is an integer number (574994106).

Almost surely, 2^1149988211 is an apocalyptic number.

1149988211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149988211 is an equidigital number, since it uses as much as digits as its factorization.

1149988211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 44.

The square root of 1149988211 is about 33911.4760958588. The cubic root of 1149988211 is about 1047.6859730979.

The spelling of 1149988211 in words is "one billion, one hundred forty-nine million, nine hundred eighty-eight thousand, two hundred eleven".