51106550262566 has 8 divisors (see below), whose sum is σ = 77630202930720. Its totient is φ = 25229815952328.

The previous prime is 51106550262539. The next prime is 51106550262569. The reversal of 51106550262566 is 66526205560115.

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

It is a super-3 number, since 3×51106550262566³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106550262569) 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, 161729589281 + ... + 161729589596.

It is an arithmetic number, because the mean of its divisors is an integer number (9703775366340).

Almost surely, 2^{51106550262566} is an apocalyptic number.

51106550262566 is a deficient number, since it is larger than the sum of its proper divisors (26523652668154).

51106550262566 is a wasteful number, since it uses less digits than its factorization.

51106550262566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323459178958.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 51106550262566 in words is "fifty-one trillion, one hundred six billion, five hundred fifty million, two hundred sixty-two thousand, five hundred sixty-six".