1056256223672 has 32 divisors (see below), whose sum is σ = 2133671620080. Its totient is φ = 487309374720.

The previous prime is 1056256223669. The next prime is 1056256223749. The reversal of 1056256223672 is 2763226526501.

It is a super-2 number, since 2×1056256223672² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 1752158 + ... + 2276525.

Almost surely, 2^{1056256223672} is an apocalyptic number.

It is an amenable number.

1056256223672 is an abundant number, since it is smaller than the sum of its proper divisors (1077415396408).

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

1056256223672 is a wasteful number, since it uses less digits than its factorization.

1056256223672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031223 (or 4031219 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 1056256223672 in words is "one trillion, fifty-six billion, two hundred fifty-six million, two hundred twenty-three thousand, six hundred seventy-two".