1105503321 has 8 divisors (see below), whose sum is σ = 1587389440. Its totient is φ = 680309712.

The previous prime is 1105503263. The next prime is 1105503359. The reversal of 1105503321 is 1233055011.

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

It is not a de Polignac number, because 1105503321 - 2²⁶ = 1038394457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105503361) 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, 14173081 + ... + 14173158.

It is an arithmetic number, because the mean of its divisors is an integer number (198423680).

Almost surely, 2^1105503321 is an apocalyptic number.

It is an amenable number.

1105503321 is a deficient number, since it is larger than the sum of its proper divisors (481886119).

1105503321 is a wasteful number, since it uses less digits than its factorization.

1105503321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28346255.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1105503321 is about 33249.1100783164. The cubic root of 1105503321 is about 1033.9987582090.

Adding to 1105503321 its reverse (1233055011), we get a palindrome (2338558332).

The spelling of 1105503321 in words is "one billion, one hundred five million, five hundred three thousand, three hundred twenty-one".