4120554515009 has 2 divisors, whose sum is σ = 4120554515010. Its totient is φ = 4120554515008.

The previous prime is 4120554514981. The next prime is 4120554515017. The reversal of 4120554515009 is 9005154550214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2875154314384 + 1245400200625 = 1695628^2 + 1115975^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120554515009 - 2²⁰ = 4120553466433 is a prime.

It is a super-2 number, since 2×4120554515009² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4120554515029) 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, 2060277257504 + 2060277257505.

It is an arithmetic number, because the mean of its divisors is an integer number (2060277257505).

Almost surely, 2^{4120554515009} is an apocalyptic number.

It is an amenable number.

4120554515009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120554515009 is an equidigital number, since it uses as much as digits as its factorization.

4120554515009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 4120554515009 in words is "four trillion, one hundred twenty billion, five hundred fifty-four million, five hundred fifteen thousand, nine".