1108555811 has 8 divisors (see below), whose sum is σ = 1210443264. Its totient is φ = 1006853320.

The previous prime is 1108555793. The next prime is 1108555813. The reversal of 1108555811 is 1185558011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1108555811 - 2¹⁰ = 1108554787 is a prime.

It is a super-2 number, since 2×1108555811² = 2457791972203735442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108555813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33551 + ... + 57816.

It is an arithmetic number, because the mean of its divisors is an integer number (151305408).

Almost surely, 2^1108555811 is an apocalyptic number.

1108555811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1108555811 is a deficient number, since it is larger than the sum of its proper divisors (101887453).

1108555811 is a wasteful number, since it uses less digits than its factorization.

1108555811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92481.

The product of its (nonzero) digits is 8000, while the sum is 35.

The square root of 1108555811 is about 33294.9817690294. The cubic root of 1108555811 is about 1034.9495680500.

The spelling of 1108555811 in words is "one billion, one hundred eight million, five hundred fifty-five thousand, eight hundred eleven".