1105505605530 has 48 divisors (see below), whose sum is σ = 2999284778880. Its totient is φ = 281984037984.

The previous prime is 1105505605513. The next prime is 1105505605531. The reversal of 1105505605530 is 355065055011.

1105505605530 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 50 + 56 + 0 + 553 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1105505605531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267028270 + ... + 267032409.

It is an arithmetic number, because the mean of its divisors is an integer number (62485099560).

Almost surely, 2^{1105505605530} is an apocalyptic number.

1105505605530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105505605530 is an abundant number, since it is smaller than the sum of its proper divisors (1893779173350).

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

1105505605530 is a wasteful number, since it uses less digits than its factorization.

1105505605530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534060715 (or 534060712 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 1105505605530 in words is "one trillion, one hundred five billion, five hundred five million, six hundred five thousand, five hundred thirty".