51075529109 has 8 divisors (see below), whose sum is σ = 55982831520. Its totient is φ = 46212238800.

The previous prime is 51075529039. The next prime is 51075529111. The reversal of 51075529109 is 90192557015.

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

It is a cyclic number.

It is not a de Polignac number, because 51075529109 - 2³² = 46780561813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51075529109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51075529199) 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, 11000594 + ... + 11005235.

It is an arithmetic number, because the mean of its divisors is an integer number (6997853940).

Almost surely, 2^51075529109 is an apocalyptic number.

It is an amenable number.

51075529109 is a deficient number, since it is larger than the sum of its proper divisors (4907302411).

51075529109 is a wasteful number, since it uses less digits than its factorization.

51075529109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006051.

The product of its (nonzero) digits is 141750, while the sum is 44.

The spelling of 51075529109 in words is "fifty-one billion, seventy-five million, five hundred twenty-nine thousand, one hundred nine".