512542990071 has 24 divisors (see below), whose sum is σ = 873396353024. Its totient is φ = 283433910480.

The previous prime is 512542990027. The next prime is 512542990081. The reversal of 512542990071 is 170099245215.

512542990071 is a `hidden beast` number, since 5 + 12 + 542 + 9 + 90 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 512542990071 - 2⁹ = 512542989559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512542989999 and 512542990026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512542990081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131217451 + ... + 131221356.

Almost surely, 2^512542990071 is an apocalyptic number.

512542990071 is a deficient number, since it is larger than the sum of its proper divisors (360853362953).

512542990071 is a wasteful number, since it uses less digits than its factorization.

512542990071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262438851 (or 262438848 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 512542990071 in words is "five hundred twelve billion, five hundred forty-two million, nine hundred ninety thousand, seventy-one".