1105605550 has 24 divisors (see below), whose sum is σ = 2350202256. Its totient is φ = 379064640.

The previous prime is 1105605533. The next prime is 1105605559. The reversal of 1105605550 is 555065011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105605559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579087 + ... + 1579786.

It is an arithmetic number, because the mean of its divisors is an integer number (97925094).

Almost surely, 2^1105605550 is an apocalyptic number.

1105605550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105605550 is an abundant number, since it is smaller than the sum of its proper divisors (1244596706).

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

1105605550 is a wasteful number, since it uses less digits than its factorization.

1105605550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158892 (or 3158887 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1105605550 is about 33250.6473621191. The cubic root of 1105605550 is about 1034.0306294840.

The spelling of 1105605550 in words is "one billion, one hundred five million, six hundred five thousand, five hundred fifty".