517717271012 has 24 divisors (see below), whose sum is σ = 930798643320. Its totient is φ = 251779415040.

The previous prime is 517717271009. The next prime is 517717271081. The reversal of 517717271012 is 210172717715.

It can be written as a sum of positive squares in 4 ways, for example, as 173927366116 + 343789904896 = 417046^2 + 586336^2 .

It is a super-2 number, since 2×517717271012² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125087 + ... + 1025222.

It is an arithmetic number, because the mean of its divisors is an integer number (38783276805).

Almost surely, 2^517717271012 is an apocalyptic number.

It is an amenable number.

517717271012 is a deficient number, since it is larger than the sum of its proper divisors (413081372308).

517717271012 is a wasteful number, since it uses less digits than its factorization.

517717271012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153391 (or 1153389 counting only the distinct ones).

The product of its (nonzero) digits is 48020, while the sum is 41.

Adding to 517717271012 its reverse (210172717715), we get a palindrome (727889988727).

The spelling of 517717271012 in words is "five hundred seventeen billion, seven hundred seventeen million, two hundred seventy-one thousand, twelve".