38112618555 has 40 divisors (see below), whose sum is σ = 74531351664. Its totient is φ = 18478843200.

The previous prime is 38112618553. The next prime is 38112618571. The reversal of 38112618555 is 55581621183.

38112618555 is a `hidden beast` number, since 3 + 81 + 1 + 2 + 6 + 18 + 555 = 666.

It is not a de Polignac number, because 38112618555 - 2¹ = 38112618553 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38112618555.

It is not an unprimeable number, because it can be changed into a prime (38112618553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4273056 + ... + 4281965.

Almost surely, 2^38112618555 is an apocalyptic number.

38112618555 is a deficient number, since it is larger than the sum of its proper divisors (36418733109).

38112618555 is a wasteful number, since it uses less digits than its factorization.

38112618555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555049 (or 8555040 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The spelling of 38112618555 in words is "thirty-eight billion, one hundred twelve million, six hundred eighteen thousand, five hundred fifty-five".