1105521004 has 48 divisors (see below), whose sum is σ = 2349285120. Its totient is φ = 444640320.

The previous prime is 1105520987. The next prime is 1105521041. The reversal of 1105521004 is 4001255011.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47214 + ... + 66634.

It is an arithmetic number, because the mean of its divisors is an integer number (48943440).

Almost surely, 2^1105521004 is an apocalyptic number.

1105521004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105521004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174642560).

1105521004 is an abundant number, since it is smaller than the sum of its proper divisors (1243764116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105521004 is a wasteful number, since it uses less digits than its factorization.

1105521004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19558 (or 19556 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1105521004 is about 33249.3759941446. The cubic root of 1105521004 is about 1034.0042712643.

Adding to 1105521004 its reverse (4001255011), we get a palindrome (5106776015).

It can be divided in two parts, 110552 and 1004, that added together give a square (111556 = 334²).

The spelling of 1105521004 in words is "one billion, one hundred five million, five hundred twenty-one thousand, four".