1056781288826 has 16 divisors (see below), whose sum is σ = 1627088904000. Its totient is φ = 514469975520.

The previous prime is 1056781288817. The next prime is 1056781288873. The reversal of 1056781288826 is 6288821876501.

1056781288826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1056781288826² (a number of 25 digits) contains 22 as substring.

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, 12872486 + ... + 12954321.

It is an arithmetic number, because the mean of its divisors is an integer number (101693056500).

Almost surely, 2^{1056781288826} is an apocalyptic number.

1056781288826 is a deficient number, since it is larger than the sum of its proper divisors (570307615174).

1056781288826 is a wasteful number, since it uses less digits than its factorization.

1056781288826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25827349.

The product of its (nonzero) digits is 20643840, while the sum is 62.

The spelling of 1056781288826 in words is "one trillion, fifty-six billion, seven hundred eighty-one million, two hundred eighty-eight thousand, eight hundred twenty-six".