51600565101 has 4 divisors (see below), whose sum is σ = 68800753472. Its totient is φ = 34400376732.

The previous prime is 51600565087. The next prime is 51600565109. The reversal of 51600565101 is 10156500615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51600565101 - 2¹⁰ = 51600564077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51600565109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600094181 + ... + 8600094186.

It is an arithmetic number, because the mean of its divisors is an integer number (17200188368).

Almost surely, 2^51600565101 is an apocalyptic number.

It is an amenable number.

51600565101 is a deficient number, since it is larger than the sum of its proper divisors (17200188371).

51600565101 is a wasteful number, since it uses less digits than its factorization.

51600565101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200188370.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51600565101 in words is "fifty-one billion, six hundred million, five hundred sixty-five thousand, one hundred one".