1056555716788 has 96 divisors (see below), whose sum is σ = 2206178126208. Its totient is φ = 440070301440.

The previous prime is 1056555716729. The next prime is 1056555716807. The reversal of 1056555716788 is 8876175556501.

It is a super-4 number, since 4×1056555716788⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9426331 + ... + 9537757.

It is an arithmetic number, because the mean of its divisors is an integer number (22981022148).

Almost surely, 2^{1056555716788} is an apocalyptic number.

It is an amenable number.

1056555716788 is an abundant number, since it is smaller than the sum of its proper divisors (1149622409420).

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

1056555716788 is a wasteful number, since it uses less digits than its factorization.

1056555716788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111614 (or 111590 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 64.

The spelling of 1056555716788 in words is "one trillion, fifty-six billion, five hundred fifty-five million, seven hundred sixteen thousand, seven hundred eighty-eight".