11055050505 has 48 divisors (see below), whose sum is σ = 20003727744. Its totient is φ = 5856883200.

The previous prime is 11055050467. The next prime is 11055050507. The reversal of 11055050505 is 50505055011.

11055050505 is a `hidden beast` number, since 1 + 10 + 550 + 50 + 50 + 5 = 666.

It is not a de Polignac number, because 11055050505 - 2⁸ = 11055050249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

11055050505 is a modest number, since divided by 50505 gives 11055 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11055050507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153337 + ... + 213593.

It is an arithmetic number, because the mean of its divisors is an integer number (416744328).

Almost surely, 2^11055050505 is an apocalyptic number.

11055050505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11055050505 is a deficient number, since it is larger than the sum of its proper divisors (8948677239).

11055050505 is an equidigital number, since it uses as much as digits as its factorization.

11055050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60428 (or 60416 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 11055050505 in words is "eleven billion, fifty-five million, fifty thousand, five hundred five".