5205366165245 has 4 divisors (see below), whose sum is σ = 6246439398300. Its totient is φ = 4164292932192.

The previous prime is 5205366165229. The next prime is 5205366165277. The reversal of 5205366165245 is 5425616635025.

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 3689330502169 + 1516035663076 = 1920763^2 + 1231274^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205366165245 - 2⁴ = 5205366165229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5205366165193 and 5205366165202.

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 3 ways as a sum of consecutive naturals, for example, 520536616520 + ... + 520536616529.

It is an arithmetic number, because the mean of its divisors is an integer number (1561609849575).

Almost surely, 2^{5205366165245} is an apocalyptic number.

It is an amenable number.

5205366165245 is a deficient number, since it is larger than the sum of its proper divisors (1041073233055).

5205366165245 is a wasteful number, since it uses less digits than its factorization.

5205366165245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041073233054.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 5205366165245 in words is "five trillion, two hundred five billion, three hundred sixty-six million, one hundred sixty-five thousand, two hundred forty-five".