4157121611 has 2 divisors, whose sum is σ = 4157121612. Its totient is φ = 4157121610.

The previous prime is 4157121541. The next prime is 4157121613. The reversal of 4157121611 is 1161217514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4157121611 - 2¹⁰ = 4157120587 is a prime.

Together with 4157121613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4157121613) 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, 2078560805 + 2078560806.

It is an arithmetic number, because the mean of its divisors is an integer number (2078560806).

Almost surely, 2^4157121611 is an apocalyptic number.

4157121611 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157121611 is an equidigital number, since it uses as much as digits as its factorization.

4157121611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 29.

The square root of 4157121611 is about 64475.7443617365. The cubic root of 4157121611 is about 1607.9192815424.

The spelling of 4157121611 in words is "four billion, one hundred fifty-seven million, one hundred twenty-one thousand, six hundred eleven".