2011153 has 4 divisors (see below), whose sum is σ = 2057968. Its totient is φ = 1964340.

The previous prime is 2011147. The next prime is 2011171. The reversal of 2011153 is 3511102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2011123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23343 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (514492).

2^2011153 is an apocalyptic number.

It is an amenable number.

2011153 is a deficient number, since it is larger than the sum of its proper divisors (46815).

2011153 is an equidigital number, since it uses as much as digits as its factorization.

2011153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46814.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2011153 is about 1418.1512613258. The cubic root of 2011153 is about 126.2258693220.

Adding to 2011153 its reverse (3511102), we get a palindrome (5522255).

It can be divided in two parts, 20111 and 53, that added together give a square (20164 = 142²).

The spelling of 2011153 in words is "two million, eleven thousand, one hundred fifty-three".