2011452111 has 24 divisors (see below), whose sum is σ = 2928856320. Its totient is φ = 1330189776.

The previous prime is 2011452089. The next prime is 2011452137. The reversal of 2011452111 is 1112541102.

2011452111 is a `hidden beast` number, since 20 + 114 + 521 + 11 = 666.

It is not a de Polignac number, because 2011452111 - 2⁹ = 2011451599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011452161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053820 + ... + 1055726.

It is an arithmetic number, because the mean of its divisors is an integer number (122035680).

Almost surely, 2^2011452111 is an apocalyptic number.

2011452111 is a deficient number, since it is larger than the sum of its proper divisors (917404209).

2011452111 is a wasteful number, since it uses less digits than its factorization.

2011452111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 2011452111 is about 44849.2152774159. The cubic root of 2011452111 is about 1262.3212670679.

Adding to 2011452111 its reverse (1112541102), we get a palindrome (3123993213).

The spelling of 2011452111 in words is "two billion, eleven million, four hundred fifty-two thousand, one hundred eleven".