2256123828616 has 16 divisors (see below), whose sum is σ = 4834551061440. Its totient is φ = 966910212240.

The previous prime is 2256123828599. The next prime is 2256123828617. The reversal of 2256123828616 is 6168283216522.

It is not an unprimeable number, because it can be changed into a prime (2256123828617) 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 in 3 ways as a sum of consecutive naturals, for example, 20143962700 + ... + 20143962811.

It is an arithmetic number, because the mean of its divisors is an integer number (302159441340).

Almost surely, 2^{2256123828616} is an apocalyptic number.

It is an amenable number.

2256123828616 is an abundant number, since it is smaller than the sum of its proper divisors (2578427232824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256123828616 is a wasteful number, since it uses less digits than its factorization.

2256123828616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40287925524 (or 40287925520 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 2256123828616 in words is "two trillion, two hundred fifty-six billion, one hundred twenty-three million, eight hundred twenty-eight thousand, six hundred sixteen".