2056112405256 has 128 divisors (see below), whose sum is σ = 6338599787520. Its totient is φ = 541234255104.

The previous prime is 2056112405227. The next prime is 2056112405257. The reversal of 2056112405256 is 6525042116502.

It is a super-2 number, since 2×2056112405256² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2056112405257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242191 + ... + 2042273.

It is an arithmetic number, because the mean of its divisors is an integer number (49520310840).

Almost surely, 2^{2056112405256} is an apocalyptic number.

2056112405256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056112405256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169299893760).

2056112405256 is an abundant number, since it is smaller than the sum of its proper divisors (4282487382264).

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

2056112405256 is a wasteful number, since it uses less digits than its factorization.

2056112405256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800635 (or 1800631 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 2056112405256 in words is "two trillion, fifty-six billion, one hundred twelve million, four hundred five thousand, two hundred fifty-six".