2125113443 has 2 divisors, whose sum is σ = 2125113444. Its totient is φ = 2125113442.

The previous prime is 2125113433. The next prime is 2125113467. The reversal of 2125113443 is 3443115212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125113443 - 2⁶ = 2125113379 is a prime.

It is a super-2 number, since 2×2125113443² = 9032214291238628498, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2125113433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062556721 + 1062556722.

It is an arithmetic number, because the mean of its divisors is an integer number (1062556722).

Almost surely, 2^2125113443 is an apocalyptic number.

2125113443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125113443 is an equidigital number, since it uses as much as digits as its factorization.

2125113443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 2125113443 is about 46098.9527321392. The cubic root of 2125113443 is about 1285.6636728748.

Adding to 2125113443 its reverse (3443115212), we get a palindrome (5568228655).

The spelling of 2125113443 in words is "two billion, one hundred twenty-five million, one hundred thirteen thousand, four hundred forty-three".