1108387043838 has 64 divisors (see below), whose sum is σ = 2636662752000. Its totient is φ = 344084451552.

The previous prime is 1108387043837. The next prime is 1108387043873. The reversal of 1108387043838 is 8383407838011.

1108387043838 is a `hidden beast` number, since 1 + 108 + 3 + 8 + 70 + 438 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108387043837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9094545 + ... + 9215612.

It is an arithmetic number, because the mean of its divisors is an integer number (41197855500).

Almost surely, 2^{1108387043838} is an apocalyptic number.

1108387043838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1108387043838 is an abundant number, since it is smaller than the sum of its proper divisors (1528275708162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1108387043838 is a wasteful number, since it uses less digits than its factorization.

1108387043838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18310246 (or 18310240 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 1108387043838 in words is "one trillion, one hundred eight billion, three hundred eighty-seven million, forty-three thousand, eight hundred thirty-eight".