51005141560509 has 8 divisors (see below), whose sum is σ = 68011337571552. Its totient is φ = 34001186628240.

The previous prime is 51005141560487. The next prime is 51005141560523. The reversal of 51005141560509 is 90506514150015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51005141560509 - 2¹¹ = 51005141558461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005141561509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560216587 + ... + 560307624.

It is an arithmetic number, because the mean of its divisors is an integer number (8501417196444).

Almost surely, 2^{51005141560509} is an apocalyptic number.

It is an amenable number.

51005141560509 is a deficient number, since it is larger than the sum of its proper divisors (17006196011043).

51005141560509 is a wasteful number, since it uses less digits than its factorization.

51005141560509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120539387.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 51005141560509 in words is "fifty-one trillion, five billion, one hundred forty-one million, five hundred sixty thousand, five hundred nine".