2130105553 has 2 divisors, whose sum is σ = 2130105554. Its totient is φ = 2130105552.

The previous prime is 2130105533. The next prime is 2130105581. The reversal of 2130105553 is 3555010312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990676689 + 139428864 = 44617^2 + 11808^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130105553 - 2⁹ = 2130105041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130105533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065052776 + 1065052777.

It is an arithmetic number, because the mean of its divisors is an integer number (1065052777).

Almost surely, 2^2130105553 is an apocalyptic number.

It is an amenable number.

2130105553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130105553 is an equidigital number, since it uses as much as digits as its factorization.

2130105553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 2130105553 is about 46153.0665611723. The cubic root of 2130105553 is about 1286.6696043302.

Adding to 2130105553 its reverse (3555010312), we get a palindrome (5685115865).

The spelling of 2130105553 in words is "two billion, one hundred thirty million, one hundred five thousand, five hundred fifty-three".