1088821011 has 8 divisors (see below), whose sum is σ = 1528169920. Its totient is φ = 687676392.

The previous prime is 1088821003. The next prime is 1088821031. The reversal of 1088821011 is 1101288801.

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

It is not a de Polignac number, because 1088821011 - 2³ = 1088821003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088821011.

It is not an unprimeable number, because it can be changed into a prime (1088821031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9551005 + ... + 9551118.

It is an arithmetic number, because the mean of its divisors is an integer number (191021240).

Almost surely, 2^1088821011 is an apocalyptic number.

1088821011 is a deficient number, since it is larger than the sum of its proper divisors (439348909).

1088821011 is a wasteful number, since it uses less digits than its factorization.

1088821011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19102145.

The product of its (nonzero) digits is 1024, while the sum is 30.

The square root of 1088821011 is about 32997.2879340106. The cubic root of 1088821011 is about 1028.7712783820.

The spelling of 1088821011 in words is "one billion, eighty-eight million, eight hundred twenty-one thousand, eleven".