1105555560 has 256 divisors, whose sum is σ = 3667991040. Its totient is φ = 265420800.

The previous prime is 1105555541. The next prime is 1105555589. The reversal of 1105555560 is 655555011.

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 in 63 ways as a sum of consecutive naturals, for example, 7321485 + ... + 7321635.

It is an arithmetic number, because the mean of its divisors is an integer number (14328090).

Almost surely, 2^1105555560 is an apocalyptic number.

1105555560 is a gapful number since it is divisible by the number (10) 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 1105555560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833995520).

1105555560 is an abundant number, since it is smaller than the sum of its proper divisors (2562435480).

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

1105555560 is a wasteful number, since it uses less digits than its factorization.

1105555560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 1105555560 is about 33249.8956389340. The cubic root of 1105555560 is about 1034.0150446701.

The spelling of 1105555560 in words is "one billion, one hundred five million, five hundred fifty-five thousand, five hundred sixty".