1105510555509 has 16 divisors (see below), whose sum is σ = 1568117580480. Its totient is φ = 690366216960.

The previous prime is 1105510555493. The next prime is 1105510555627. The reversal of 1105510555509 is 9055550155011.

It is not a de Polignac number, because 1105510555509 - 2⁴ = 1105510555493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105510555109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51355774 + ... + 51377295.

It is an arithmetic number, because the mean of its divisors is an integer number (98007348780).

Almost surely, 2^{1105510555509} is an apocalyptic number.

It is an amenable number.

1105510555509 is a deficient number, since it is larger than the sum of its proper divisors (462607024971).

1105510555509 is a wasteful number, since it uses less digits than its factorization.

1105510555509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102733300.

The product of its (nonzero) digits is 140625, while the sum is 42.

The spelling of 1105510555509 in words is "one trillion, one hundred five billion, five hundred ten million, five hundred fifty-five thousand, five hundred nine".