4013120424161 has 2 divisors, whose sum is σ = 4013120424162. Its totient is φ = 4013120424160.

The previous prime is 4013120424091. The next prime is 4013120424163. The reversal of 4013120424161 is 1614240213104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2052182311936 + 1960938112225 = 1432544^2 + 1400335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4013120424161 is a prime.

It is a super-2 number, since 2×4013120424161² (a number of 26 digits) contains 22 as substring.

Together with 4013120424163, 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 (4013120424163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006560212080 + 2006560212081.

It is an arithmetic number, because the mean of its divisors is an integer number (2006560212081).

Almost surely, 2^{4013120424161} is an apocalyptic number.

It is an amenable number.

4013120424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013120424161 is an equidigital number, since it uses as much as digits as its factorization.

4013120424161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 4013120424161 its reverse (1614240213104), we get a palindrome (5627360637265).

The spelling of 4013120424161 in words is "four trillion, thirteen billion, one hundred twenty million, four hundred twenty-four thousand, one hundred sixty-one".