1056878225105 has 8 divisors (see below), whose sum is σ = 1268429742312. Its totient is φ = 845385331968.

The previous prime is 1056878225087. The next prime is 1056878225107. The reversal of 1056878225105 is 5015228786501.

It can be written as a sum of positive squares in 4 ways, for example, as 15562063504 + 1041316161601 = 124748^2 + 1020449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056878225105 - 2¹⁴ = 1056878208721 is a prime.

It is a super-2 number, since 2×1056878225105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056878225107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14616344 + ... + 14688473.

It is an arithmetic number, because the mean of its divisors is an integer number (158553717789).

Almost surely, 2^{1056878225105} is an apocalyptic number.

It is an amenable number.

1056878225105 is a deficient number, since it is larger than the sum of its proper divisors (211551517207).

1056878225105 is an equidigital number, since it uses as much as digits as its factorization.

1056878225105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29312035.

The product of its (nonzero) digits is 1344000, while the sum is 50.

The spelling of 1056878225105 in words is "one trillion, fifty-six billion, eight hundred seventy-eight million, two hundred twenty-five thousand, one hundred five".