2111255 has 16 divisors (see below), whose sum is σ = 2674944. Its totient is φ = 1597440.

The previous prime is 2111251. The next prime is 2111267. The reversal of 2111255 is 5521112.

2111255 = 173² + 174² + ... + 225².

It is not a de Polignac number, because 2111255 - 2² = 2111251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8087 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (167184).

2^2111255 is an apocalyptic number.

2111255 is a deficient number, since it is larger than the sum of its proper divisors (563689).

2111255 is a wasteful number, since it uses less digits than its factorization.

2111255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 100, while the sum is 17.

The square root of 2111255 is about 1453.0158292324. The cubic root of 2111255 is about 128.2862854845.

Adding to 2111255 its reverse (5521112), we get a palindrome (7632367).

The spelling of 2111255 in words is "two million, one hundred eleven thousand, two hundred fifty-five".