38515685285513 has 16 divisors (see below), whose sum is σ = 40815251828736. Its totient is φ = 36287836114320.

The previous prime is 38515685285477. The next prime is 38515685285543. The reversal of 38515685285513 is 31558258651583.

38515685285513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38515685285513 - 2⁶ = 38515685285449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38515685285513.

It is not an unprimeable number, because it can be changed into a prime (38515685285543) 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 15 ways as a sum of consecutive naturals, for example, 46649381 + ... + 47467842.

It is an arithmetic number, because the mean of its divisors is an integer number (2550953239296).

Almost surely, 2^{38515685285513} is an apocalyptic number.

It is an amenable number.

38515685285513 is a deficient number, since it is larger than the sum of its proper divisors (2299566543223).

38515685285513 is a wasteful number, since it uses less digits than its factorization.

38515685285513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94117604.

The product of its digits is 172800000, while the sum is 65.

The spelling of 38515685285513 in words is "thirty-eight trillion, five hundred fifteen billion, six hundred eighty-five million, two hundred eighty-five thousand, five hundred thirteen".