1181078711 has 2 divisors, whose sum is σ = 1181078712. Its totient is φ = 1181078710.

The previous prime is 1181078671. The next prime is 1181078713. The reversal of 1181078711 is 1178701811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1181078711 is a prime.

It is a Sophie Germain prime.

Together with 1181078713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1181078713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590539355 + 590539356.

It is an arithmetic number, because the mean of its divisors is an integer number (590539356).

Almost surely, 2^1181078711 is an apocalyptic number.

1181078711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181078711 is an equidigital number, since it uses as much as digits as its factorization.

1181078711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 35.

The square root of 1181078711 is about 34366.8257335472. The cubic root of 1181078711 is about 1057.0437121122.

The spelling of 1181078711 in words is "one billion, one hundred eighty-one million, seventy-eight thousand, seven hundred eleven".