4020112755569 has 2 divisors, whose sum is σ = 4020112755570. Its totient is φ = 4020112755568.

The previous prime is 4020112755563. The next prime is 4020112755619. The reversal of 4020112755569 is 9655572110204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2966024506225 + 1054088249344 = 1722215^2 + 1026688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020112755569 is a prime.

It is a super-2 number, since 2×4020112755569² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4020112755563) 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, 2010056377784 + 2010056377785.

It is an arithmetic number, because the mean of its divisors is an integer number (2010056377785).

Almost surely, 2^{4020112755569} is an apocalyptic number.

It is an amenable number.

4020112755569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020112755569 is an equidigital number, since it uses as much as digits as its factorization.

4020112755569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 4020112755569 in words is "four trillion, twenty billion, one hundred twelve million, seven hundred fifty-five thousand, five hundred sixty-nine".