38781552171104 has 24 divisors (see below), whose sum is σ = 76353803632008. Its totient is φ = 19390109978880.

The previous prime is 38781552171097. The next prime is 38781552171133. The reversal of 38781552171104 is 40117125518783.

It is a super-2 number, since 2×38781552171104² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19869077 + ... + 21733460.

It is an arithmetic number, because the mean of its divisors is an integer number (3181408484667).

Almost surely, 2^{38781552171104} is an apocalyptic number.

It is an amenable number.

38781552171104 is a deficient number, since it is larger than the sum of its proper divisors (37572251460904).

38781552171104 is a wasteful number, since it uses less digits than its factorization.

38781552171104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41631678 (or 41631670 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 53.

Adding to 38781552171104 its reverse (40117125518783), we get a palindrome (78898677689887).

The spelling of 38781552171104 in words is "thirty-eight trillion, seven hundred eighty-one billion, five hundred fifty-two million, one hundred seventy-one thousand, one hundred four".