2145053111 has 2 divisors, whose sum is σ = 2145053112. Its totient is φ = 2145053110.

The previous prime is 2145053101. The next prime is 2145053137. The reversal of 2145053111 is 1113505412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145053111 - 2¹⁰ = 2145052087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145053101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072526555 + 1072526556.

It is an arithmetic number, because the mean of its divisors is an integer number (1072526556).

Almost surely, 2^2145053111 is an apocalyptic number.

2145053111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145053111 is an equidigital number, since it uses as much as digits as its factorization.

2145053111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2145053111 is about 46314.7180818366. The cubic root of 2145053111 is about 1289.6722342968.

Adding to 2145053111 its reverse (1113505412), we get a palindrome (3258558523).

The spelling of 2145053111 in words is "two billion, one hundred forty-five million, fifty-three thousand, one hundred eleven".