4128126268568 has 32 divisors (see below), whose sum is σ = 7856672563200. Its totient is φ = 2033020721952.

The previous prime is 4128126268559. The next prime is 4128126268577. The reversal of 4128126268568 is 8658626218214.

It is an interprime number because it is at equal distance from previous prime (4128126268559) and next prime (4128126268577).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231721 + ... + 5115047.

It is an arithmetic number, because the mean of its divisors is an integer number (245521017600).

Almost surely, 2^{4128126268568} is an apocalyptic number.

It is an amenable number.

4128126268568 is a deficient number, since it is larger than the sum of its proper divisors (3728546294632).

4128126268568 is a wasteful number, since it uses less digits than its factorization.

4128126268568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892119 (or 892115 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 59.

The spelling of 4128126268568 in words is "four trillion, one hundred twenty-eight billion, one hundred twenty-six million, two hundred sixty-eight thousand, five hundred sixty-eight".