4128513911 has 2 divisors, whose sum is σ = 4128513912. Its totient is φ = 4128513910.

The previous prime is 4128513881. The next prime is 4128513923. The reversal of 4128513911 is 1193158214.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4128513911 - 2⁶ = 4128513847 is a prime.

It is a super-2 number, since 2×4128513911² = 34089254226641031842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4128513941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064256955 + 2064256956.

It is an arithmetic number, because the mean of its divisors is an integer number (2064256956).

Almost surely, 2^4128513911 is an apocalyptic number.

4128513911 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128513911 is an equidigital number, since it uses as much as digits as its factorization.

4128513911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 4128513911 is about 64253.5128300391. The cubic root of 4128513911 is about 1604.2224292910. Note that the first 3 decimals are identical.

The spelling of 4128513911 in words is "four billion, one hundred twenty-eight million, five hundred thirteen thousand, nine hundred eleven".