5681165008903 has 2 divisors, whose sum is σ = 5681165008904. Its totient is φ = 5681165008902.

The previous prime is 5681165008867. The next prime is 5681165008957. The reversal of 5681165008903 is 3098005611865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5681165008903 - 2¹⁷ = 5681164877831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681165008973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840582504451 + 2840582504452.

It is an arithmetic number, because the mean of its divisors is an integer number (2840582504452).

Almost surely, 2^{5681165008903} is an apocalyptic number.

5681165008903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681165008903 is an equidigital number, since it uses as much as digits as its factorization.

5681165008903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 5681165008903 in words is "five trillion, six hundred eighty-one billion, one hundred sixty-five million, eight thousand, nine hundred three".