1056463656256 has 14 divisors (see below), whose sum is σ = 2096420068010. Its totient is φ = 528231828096.

The previous prime is 1056463656239. The next prime is 1056463656299. The reversal of 1056463656256 is 6526563646501.

It can be written as a sum of positive squares in only one way, i.e., 1053414849600 + 3048806656 = 1026360^2 + 55216^2 .

It is a super-2 number, since 2×1056463656256² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056463656197 and 1056463656206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8253622251 + ... + 8253622378.

Almost surely, 2^{1056463656256} is an apocalyptic number.

1056463656256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1056463656256 is a deficient number, since it is larger than the sum of its proper divisors (1039956411754).

1056463656256 is an equidigital number, since it uses as much as digits as its factorization.

1056463656256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16507244641 (or 16507244631 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 55.

The spelling of 1056463656256 in words is "one trillion, fifty-six billion, four hundred sixty-three million, six hundred fifty-six thousand, two hundred fifty-six".