38110845016781 has 2 divisors, whose sum is σ = 38110845016782. Its totient is φ = 38110845016780.

The previous prime is 38110845016771. The next prime is 38110845016799. The reversal of 38110845016781 is 18761054801183.

It is a happy number.

38110845016781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29455216234756 + 8655628782025 = 5427266^2 + 2942045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38110845016781 is a prime.

It is a super-2 number, since 2×38110845016781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38110845016711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19055422508390 + 19055422508391.

It is an arithmetic number, because the mean of its divisors is an integer number (19055422508391).

Almost surely, 2^{38110845016781} is an apocalyptic number.

It is an amenable number.

38110845016781 is a deficient number, since it is larger than the sum of its proper divisors (1).

38110845016781 is an equidigital number, since it uses as much as digits as its factorization.

38110845016781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 38110845016781 in words is "thirty-eight trillion, one hundred ten billion, eight hundred forty-five million, sixteen thousand, seven hundred eighty-one".