11055550505 has 8 divisors (see below), whose sum is σ = 13277569032. Its totient is φ = 8837168128.

The previous prime is 11055550447. The next prime is 11055550511. The reversal of 11055550505 is 50505555011.

It can be written as a sum of positive squares in 4 ways, for example, as 1957443049 + 9098107456 = 44243^2 + 95384^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11055550505 - 2⁸ = 11055550249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902342 + ... + 914511.

It is an arithmetic number, because the mean of its divisors is an integer number (1659696129).

Almost surely, 2^11055550505 is an apocalyptic number.

It is an amenable number.

11055550505 is a deficient number, since it is larger than the sum of its proper divisors (2222018527).

11055550505 is a wasteful number, since it uses less digits than its factorization.

11055550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818075.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 11055550505 in words is "eleven billion, fifty-five million, five hundred fifty thousand, five hundred five".