2051284111 has 2 divisors, whose sum is σ = 2051284112. Its totient is φ = 2051284110.

The previous prime is 2051284091. The next prime is 2051284133. The reversal of 2051284111 is 1114821502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051284111 - 2¹¹ = 2051282063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051584111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025642055 + 1025642056.

It is an arithmetic number, because the mean of its divisors is an integer number (1025642056).

Almost surely, 2^2051284111 is an apocalyptic number.

2051284111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051284111 is an equidigital number, since it uses as much as digits as its factorization.

2051284111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 2051284111 is about 45291.1041044486. The cubic root of 2051284111 is about 1270.5992813088.

The spelling of 2051284111 in words is "two billion, fifty-one million, two hundred eighty-four thousand, one hundred eleven".