1008534817181 has 2 divisors, whose sum is σ = 1008534817182. Its totient is φ = 1008534817180.

The previous prime is 1008534817123. The next prime is 1008534817223. The reversal of 1008534817181 is 1817184358001.

1008534817181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 759583714681 + 248951102500 = 871541^2 + 498950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008534817181 - 2⁶ = 1008534817117 is a prime.

It is a super-2 number, since 2×1008534817181² (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 (1008534817481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504267408590 + 504267408591.

It is an arithmetic number, because the mean of its divisors is an integer number (504267408591).

Almost surely, 2^{1008534817181} is an apocalyptic number.

It is an amenable number.

1008534817181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008534817181 is an equidigital number, since it uses as much as digits as its factorization.

1008534817181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 1008534817181 in words is "one trillion, eight billion, five hundred thirty-four million, eight hundred seventeen thousand, one hundred eighty-one".