2011055 has 8 divisors (see below), whose sum is σ = 2540400. Its totient is φ = 1524096.

The previous prime is 2011033. The next prime is 2011057. The reversal of 2011055 is 5501102.

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 2011055 - 2¹⁰ = 2010031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10490 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (317550).

2^2011055 is an apocalyptic number.

2011055 is a deficient number, since it is larger than the sum of its proper divisors (529345).

2011055 is a wasteful number, since it uses less digits than its factorization.

2011055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 2011055 is about 1418.1167088784. The cubic root of 2011055 is about 126.2238190328.

Adding to 2011055 its reverse (5501102), we get a palindrome (7512157).

The spelling of 2011055 in words is "two million, eleven thousand, fifty-five".