1083512191 has 2 divisors, whose sum is σ = 1083512192. Its totient is φ = 1083512190.

The previous prime is 1083512179. The next prime is 1083512203. The reversal of 1083512191 is 1912153801.

It is a balanced prime because it is at equal distance from previous prime (1083512179) and next prime (1083512203).

It is an emirp because it is prime and its reverse (1912153801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083512191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1083512491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541756095 + 541756096.

It is an arithmetic number, because the mean of its divisors is an integer number (541756096).

Almost surely, 2^1083512191 is an apocalyptic number.

1083512191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083512191 is an equidigital number, since it uses as much as digits as its factorization.

1083512191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1083512191 is about 32916.7463610850. The cubic root of 1083512191 is about 1027.0965427399.

Adding to 1083512191 its reverse (1912153801), we get a palindrome (2995665992).

The spelling of 1083512191 in words is "one billion, eighty-three million, five hundred twelve thousand, one hundred ninety-one".