5206965549057 has 80 divisors (see below), whose sum is σ = 8274886290000. Its totient is φ = 3251656949760.

The previous prime is 5206965549001. The next prime is 5206965549083. The reversal of 5206965549057 is 7509455696025.

5206965549057 is a `hidden beast` number, since 5 + 2 + 0 + 6 + 96 + 5 + 5 + 490 + 57 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 132146063361 + 5074819485696 = 363519^2 + 2252736^2 .

It is not a de Polignac number, because 5206965549057 - 2⁷ = 5206965548929 is a prime.

It is a super-2 number, since 2×5206965549057² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5206965548985 and 5206965549003.

It is not an unprimeable number, because it can be changed into a prime (5206965549757) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 393001569 + ... + 393014817.

It is an arithmetic number, because the mean of its divisors is an integer number (103436078625).

Almost surely, 2^{5206965549057} is an apocalyptic number.

It is an amenable number.

5206965549057 is a deficient number, since it is larger than the sum of its proper divisors (3067920740943).

5206965549057 is a wasteful number, since it uses less digits than its factorization.

5206965549057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608 (or 14599 counting only the distinct ones).

The product of its (nonzero) digits is 102060000, while the sum is 63.

The spelling of 5206965549057 in words is "five trillion, two hundred six billion, nine hundred sixty-five million, five hundred forty-nine thousand, fifty-seven".