1056120680285 has 12 divisors (see below), whose sum is σ = 1393031906364. Its totient is φ = 768087767040.

The previous prime is 1056120680257. The next prime is 1056120680287. The reversal of 1056120680285 is 5820860216501.

It can be written as a sum of positive squares in 2 ways, for example, as 141807977476 + 914312702809 = 376574^2 + 956197^2 .

It is not a de Polignac number, because 1056120680285 - 2²⁸ = 1055852244829 is a prime.

It is a super-2 number, since 2×1056120680285² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056120680287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 872826404 + ... + 872827613.

It is an arithmetic number, because the mean of its divisors is an integer number (116085992197).

Almost surely, 2^{1056120680285} is an apocalyptic number.

It is an amenable number.

1056120680285 is a deficient number, since it is larger than the sum of its proper divisors (336911226079).

1056120680285 is a wasteful number, since it uses less digits than its factorization.

1056120680285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745654044 (or 1745654033 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

Adding to 1056120680285 its reverse (5820860216501), we get a palindrome (6876980896786).

The spelling of 1056120680285 in words is "one trillion, fifty-six billion, one hundred twenty million, six hundred eighty thousand, two hundred eighty-five".