38818868545105 has 32 divisors (see below), whose sum is σ = 50990793418368. Its totient is φ = 28135635878400.

The previous prime is 38818868545103. The next prime is 38818868545133. The reversal of 38818868545105 is 50154586881883.

38818868545105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38818868545105 - 2¹ = 38818868545103 is a prime.

It is a super-2 number, since 2×38818868545105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38818868545103) 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 in 31 ways as a sum of consecutive naturals, for example, 68253789 + ... + 68820181.

It is an arithmetic number, because the mean of its divisors is an integer number (1593462294324).

Almost surely, 2^{38818868545105} is an apocalyptic number.

It is an amenable number.

38818868545105 is a deficient number, since it is larger than the sum of its proper divisors (12171924873263).

38818868545105 is a wasteful number, since it uses less digits than its factorization.

38818868545105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570657.

The product of its (nonzero) digits is 294912000, while the sum is 70.

The spelling of 38818868545105 in words is "thirty-eight trillion, eight hundred eighteen billion, eight hundred sixty-eight million, five hundred forty-five thousand, one hundred five".