51128251177103 has 8 divisors (see below), whose sum is σ = 51704164898640. Its totient is φ = 50552369433280.

The previous prime is 51128251177093. The next prime is 51128251177141. The reversal of 51128251177103 is 30177115282115.

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 51128251177103 - 2⁶ = 51128251177039 is a prime.

It is a super-2 number, since 2×51128251177103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51128251177183) 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, 4771400 + ... + 11181357.

It is an arithmetic number, because the mean of its divisors is an integer number (6463020612330).

Almost surely, 2^{51128251177103} is an apocalyptic number.

51128251177103 is a deficient number, since it is larger than the sum of its proper divisors (575913721537).

51128251177103 is a wasteful number, since it uses less digits than its factorization.

51128251177103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15988857.

The product of its (nonzero) digits is 117600, while the sum is 44.

The spelling of 51128251177103 in words is "fifty-one trillion, one hundred twenty-eight billion, two hundred fifty-one million, one hundred seventy-seven thousand, one hundred three".