1055205342245 has 16 divisors (see below), whose sum is σ = 1341481117680. Its totient is φ = 794063330304.

The previous prime is 1055205342221. The next prime is 1055205342251. The reversal of 1055205342245 is 5422435025501.

It can be written as a sum of positive squares in 8 ways, for example, as 4168251844 + 1051037090401 = 64562^2 + 1025201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055205342245 - 2¹⁴ = 1055205325861 is a prime.

It is a super-2 number, since 2×1055205342245² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055205342199 and 1055205342208.

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 15 ways as a sum of consecutive naturals, for example, 3317522 + ... + 3621651.

It is an arithmetic number, because the mean of its divisors is an integer number (83842569855).

Almost surely, 2^{1055205342245} is an apocalyptic number.

It is an amenable number.

1055205342245 is a deficient number, since it is larger than the sum of its proper divisors (286275775435).

1055205342245 is a wasteful number, since it uses less digits than its factorization.

1055205342245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940984.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 1055205342245 in words is "one trillion, fifty-five billion, two hundred five million, three hundred forty-two thousand, two hundred forty-five".