38871544481915 has 16 divisors (see below), whose sum is σ = 47909684098848. Its totient is φ = 30254791666176.

The previous prime is 38871544481897. The next prime is 38871544481923. The reversal of 38871544481915 is 51918444517883.

It is a cyclic number.

It is not a de Polignac number, because 38871544481915 - 2¹⁶ = 38871544416379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4027817 + ... + 9693626.

It is an arithmetic number, because the mean of its divisors is an integer number (2994355256178).

Almost surely, 2^{38871544481915} is an apocalyptic number.

38871544481915 is a deficient number, since it is larger than the sum of its proper divisors (9038139616933).

38871544481915 is a wasteful number, since it uses less digits than its factorization.

38871544481915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13736798.

The product of its digits is 154828800, while the sum is 68.

The spelling of 38871544481915 in words is "thirty-eight trillion, eight hundred seventy-one billion, five hundred forty-four million, four hundred eighty-one thousand, nine hundred fifteen".