1168711047 has 12 divisors (see below), whose sum is σ = 1929300880. Its totient is φ = 667834848.

The previous prime is 1168711021. The next prime is 1168711051. The reversal of 1168711047 is 7401178611.

It is not a de Polignac number, because 1168711047 - 2¹¹ = 1168708999 is a prime.

It is a super-2 number, since 2×1168711047² = 2731771022759672418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168711007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9275422 + ... + 9275547.

Almost surely, 2^1168711047 is an apocalyptic number.

1168711047 is a deficient number, since it is larger than the sum of its proper divisors (760589833).

1168711047 is a wasteful number, since it uses less digits than its factorization.

1168711047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550982 (or 18550979 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 36.

The square root of 1168711047 is about 34186.4161181016. The cubic root of 1168711047 is about 1053.3411475168.

Adding to 1168711047 its reverse (7401178611), we get a palindrome (8569889658).

The spelling of 1168711047 in words is "one billion, one hundred sixty-eight million, seven hundred eleven thousand, forty-seven".