4123556266666 has 16 divisors (see below), whose sum is σ = 6385058005248. Its totient is φ = 1995207696000.

The previous prime is 4123556266663. The next prime is 4123556266727. The reversal of 4123556266666 is 6666626553214.

It is a self number, because there is not a number n which added to its sum of digits gives 4123556266666.

It is not an unprimeable number, because it can be changed into a prime (4123556266663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037641 + ... + 3053491.

It is an arithmetic number, because the mean of its divisors is an integer number (399066125328).

Almost surely, 2^{4123556266666} is an apocalyptic number.

4123556266666 is a deficient number, since it is larger than the sum of its proper divisors (2261501738582).

4123556266666 is a wasteful number, since it uses less digits than its factorization.

4123556266666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048877.

The product of its digits is 55987200, while the sum is 58.

The spelling of 4123556266666 in words is "four trillion, one hundred twenty-three billion, five hundred fifty-six million, two hundred sixty-six thousand, six hundred sixty-six".