1116341381 has 2 divisors, whose sum is σ = 1116341382. Its totient is φ = 1116341380.

The previous prime is 1116341357. The next prime is 1116341423. The reversal of 1116341381 is 1831436111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924768100 + 191573281 = 30410^2 + 13841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116341381 is a prime.

It is a super-2 number, since 2×1116341381² = 2492436157865974322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116341311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558170690 + 558170691.

It is an arithmetic number, because the mean of its divisors is an integer number (558170691).

Almost surely, 2^1116341381 is an apocalyptic number.

It is an amenable number.

1116341381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116341381 is an equidigital number, since it uses as much as digits as its factorization.

1116341381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 1116341381 is about 33411.6952727634. The cubic root of 1116341381 is about 1037.3667917427.

Adding to 1116341381 its reverse (1831436111), we get a palindrome (2947777492).

The spelling of 1116341381 in words is "one billion, one hundred sixteen million, three hundred forty-one thousand, three hundred eighty-one".