1168855787471 has 2 divisors, whose sum is σ = 1168855787472. Its totient is φ = 1168855787470.

The previous prime is 1168855787459. The next prime is 1168855787509. The reversal of 1168855787471 is 1747875588611.

It is a weak prime.

It is an emirp because it is prime and its reverse (1747875588611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1168855787471 - 2²² = 1168851593167 is a prime.

It is a super-3 number, since 3×1168855787471³ (a number of 37 digits) contains 333 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 (1168855787401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584427893735 + 584427893736.

It is an arithmetic number, because the mean of its divisors is an integer number (584427893736).

Almost surely, 2^{1168855787471} is an apocalyptic number.

1168855787471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168855787471 is an equidigital number, since it uses as much as digits as its factorization.

1168855787471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105369600, while the sum is 68.

The spelling of 1168855787471 in words is "one trillion, one hundred sixty-eight billion, eight hundred fifty-five million, seven hundred eighty-seven thousand, four hundred seventy-one".