1105521808 has 10 divisors (see below), whose sum is σ = 2141948534. Its totient is φ = 552760896.

The previous prime is 1105521773. The next prime is 1105521811. The reversal of 1105521808 is 8081255011.

It can be written as a sum of positive squares in only one way, i.e., 562258944 + 543262864 = 23712^2 + 23308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1105521808.

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 as a sum of consecutive naturals, namely, 34547541 + ... + 34547572.

Almost surely, 2^1105521808 is an apocalyptic number.

It is an amenable number.

1105521808 is a deficient number, since it is larger than the sum of its proper divisors (1036426726).

1105521808 is an equidigital number, since it uses as much as digits as its factorization.

1105521808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69095121 (or 69095115 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 1105521808 is about 33249.3880845949. The cubic root of 1105521808 is about 1034.0045219271.

Adding to 1105521808 its reverse (8081255011), we get a palindrome (9186776819).

The spelling of 1105521808 in words is "one billion, one hundred five million, five hundred twenty-one thousand, eight hundred eight".