1056066408245 has 4 divisors (see below), whose sum is σ = 1267279689900. Its totient is φ = 844853126592.

The previous prime is 1056066408179. The next prime is 1056066408263. The reversal of 1056066408245 is 5428046606501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 819752781604 + 236313626641 = 905402^2 + 486121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056066408245 is a prime.

It is a super-2 number, since 2×1056066408245² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056066408245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105606640820 + ... + 105606640829.

It is an arithmetic number, because the mean of its divisors is an integer number (316819922475).

Almost surely, 2^{1056066408245} is an apocalyptic number.

It is an amenable number.

1056066408245 is a deficient number, since it is larger than the sum of its proper divisors (211213281655).

1056066408245 is an equidigital number, since it uses as much as digits as its factorization.

1056066408245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211213281654.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 1056066408245 in words is "one trillion, fifty-six billion, sixty-six million, four hundred eight thousand, two hundred forty-five".