1091481119 has 2 divisors, whose sum is σ = 1091481120. Its totient is φ = 1091481118.

The previous prime is 1091481103. The next prime is 1091481133. The reversal of 1091481119 is 9111841901.

It is a strong prime.

It is an emirp because it is prime and its reverse (9111841901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1091481119 - 2⁴ = 1091481103 is a prime.

It is a super-2 number, since 2×1091481119² = 2382662066266984322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1091483119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545740559 + 545740560.

It is an arithmetic number, because the mean of its divisors is an integer number (545740560).

Almost surely, 2^1091481119 is an apocalyptic number.

1091481119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091481119 is an equidigital number, since it uses as much as digits as its factorization.

1091481119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 35.

The square root of 1091481119 is about 33037.5713241758. The cubic root of 1091481119 is about 1029.6083970213.

The spelling of 1091481119 in words is "one billion, ninety-one million, four hundred eighty-one thousand, one hundred nineteen".