1056325555066 has 4 divisors (see below), whose sum is σ = 1584488332602. Its totient is φ = 528162777532.

The previous prime is 1056325555063. The next prime is 1056325555121. The reversal of 1056325555066 is 6605555236501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1044330705625 + 11994849441 = 1021925^2 + 109521^2 .

It is a super-2 number, since 2×1056325555066² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056325555063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264081388765 + ... + 264081388768.

Almost surely, 2^{1056325555066} is an apocalyptic number.

1056325555066 is a deficient number, since it is larger than the sum of its proper divisors (528162777536).

1056325555066 is an equidigital number, since it uses as much as digits as its factorization.

1056325555066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528162777535.

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 1056325555066 in words is "one trillion, fifty-six billion, three hundred twenty-five million, five hundred fifty-five thousand, sixty-six".