611056 has 20 divisors (see below), whose sum is σ = 1196104. Its totient is φ = 302400.

The previous prime is 611033. The next prime is 611057. The reversal of 611056 is 650116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611057) by changing a digit.

611056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791 + ... + 3001.

2⁶¹¹⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

611056 is a deficient number, since it is larger than the sum of its proper divisors (585048).

611056 is a wasteful number, since it uses less digits than its factorization.

611056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 611056 is about 781.7007099907. The cubic root of 611056 is about 84.8581717862.

Subtracting 611056 from its reverse (650116), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 611056 in words is "six hundred eleven thousand, fifty-six".