2011455305 has 8 divisors (see below), whose sum is σ = 2491609344. Its totient is φ = 1557255600.

The previous prime is 2011455293. The next prime is 2011455319. The reversal of 2011455305 is 5035541102.

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

It is not a de Polignac number, because 2011455305 - 2⁴ = 2011455289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6488411 + ... + 6488720.

It is an arithmetic number, because the mean of its divisors is an integer number (311451168).

Almost surely, 2^2011455305 is an apocalyptic number.

It is an amenable number.

2011455305 is a deficient number, since it is larger than the sum of its proper divisors (480154039).

2011455305 is a wasteful number, since it uses less digits than its factorization.

2011455305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977167.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2011455305 is about 44849.2508856057. The cubic root of 2011455305 is about 1262.3219352174.

Adding to 2011455305 its reverse (5035541102), we get a palindrome (7046996407).

The spelling of 2011455305 in words is "two billion, eleven million, four hundred fifty-five thousand, three hundred five".