1108838155 has 4 divisors (see below), whose sum is σ = 1330605792. Its totient is φ = 887070520.

The previous prime is 1108838123. The next prime is 1108838161. The reversal of 1108838155 is 5518388011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1108838155 - 2⁵ = 1108838123 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110883811 + ... + 110883820.

It is an arithmetic number, because the mean of its divisors is an integer number (332651448).

Almost surely, 2^1108838155 is an apocalyptic number.

1108838155 is a deficient number, since it is larger than the sum of its proper divisors (221767637).

1108838155 is an equidigital number, since it uses as much as digits as its factorization.

1108838155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221767636.

The product of its (nonzero) digits is 38400, while the sum is 40.

The square root of 1108838155 is about 33299.2215374474. The cubic root of 1108838155 is about 1035.0374262023.

The spelling of 1108838155 in words is "one billion, one hundred eight million, eight hundred thirty-eight thousand, one hundred fifty-five".