1181532441871 has 2 divisors, whose sum is σ = 1181532441872. Its totient is φ = 1181532441870.

The previous prime is 1181532441839. The next prime is 1181532441889. The reversal of 1181532441871 is 1781442351811.

It is a strong prime.

It is an emirp because it is prime and its reverse (1781442351811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1181532441871 - 2⁵ = 1181532441839 is a prime.

It is a super-2 number, since 2×1181532441871² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1181532441371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590766220935 + 590766220936.

It is an arithmetic number, because the mean of its divisors is an integer number (590766220936).

Almost surely, 2^{1181532441871} is an apocalyptic number.

1181532441871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181532441871 is an equidigital number, since it uses as much as digits as its factorization.

1181532441871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 46.

The spelling of 1181532441871 in words is "one trillion, one hundred eighty-one billion, five hundred thirty-two million, four hundred forty-one thousand, eight hundred seventy-one".