5206545212177 has 2 divisors, whose sum is σ = 5206545212178. Its totient is φ = 5206545212176.

The previous prime is 5206545212117. The next prime is 5206545212213. The reversal of 5206545212177 is 7712125456025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4500745278016 + 705799934161 = 2121496^2 + 840119^2 .

It is a cyclic number.

It is not a de Polignac number, because 5206545212177 - 2⁸ = 5206545211921 is a prime.

It is a super-2 number, since 2×5206545212177² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5206545212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603272606088 + 2603272606089.

It is an arithmetic number, because the mean of its divisors is an integer number (2603272606089).

Almost surely, 2^{5206545212177} is an apocalyptic number.

It is an amenable number.

5206545212177 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206545212177 is an equidigital number, since it uses as much as digits as its factorization.

5206545212177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 5206545212177 in words is "five trillion, two hundred six billion, five hundred forty-five million, two hundred twelve thousand, one hundred seventy-seven".