611005055 has 16 divisors (see below), whose sum is σ = 750938688. Its totient is φ = 477120000.

The previous prime is 611004971. The next prime is 611005061. The reversal of 611005055 is 550500116.

It is not a de Polignac number, because 611005055 - 2¹⁶ = 610939519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611005055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27335 + ... + 44375.

It is an arithmetic number, because the mean of its divisors is an integer number (46933668).

Almost surely, 2^611005055 is an apocalyptic number.

611005055 is a deficient number, since it is larger than the sum of its proper divisors (139933633).

611005055 is a wasteful number, since it uses less digits than its factorization.

611005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17218.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 611005055 is about 24718.5164401102. The cubic root of 611005055 is about 848.5581345369.

The spelling of 611005055 in words is "six hundred eleven million, five thousand, fifty-five".