2051120447 has 2 divisors, whose sum is σ = 2051120448. Its totient is φ = 2051120446.

The previous prime is 2051120437. The next prime is 2051120527. The reversal of 2051120447 is 7440211502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051120447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051120437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025560223 + 1025560224.

It is an arithmetic number, because the mean of its divisors is an integer number (1025560224).

Almost surely, 2^2051120447 is an apocalyptic number.

2051120447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051120447 is an equidigital number, since it uses as much as digits as its factorization.

2051120447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2051120447 is about 45289.2972676768. The cubic root of 2051120447 is about 1270.5654883478.

Adding to 2051120447 its reverse (7440211502), we get a palindrome (9491331949).

The spelling of 2051120447 in words is "two billion, fifty-one million, one hundred twenty thousand, four hundred forty-seven".