51421547536127 has 8 divisors (see below), whose sum is σ = 52687990525632. Its totient is φ = 50155688304000.

The previous prime is 51421547536111. The next prime is 51421547536129. The reversal of 51421547536127 is 72163574512415.

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 51421547536127 - 2⁴ = 51421547536111 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 (51421547536129) 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, 145760999 + ... + 146113352.

It is an arithmetic number, because the mean of its divisors is an integer number (6585998815704).

Almost surely, 2^{51421547536127} is an apocalyptic number.

51421547536127 is a deficient number, since it is larger than the sum of its proper divisors (1266442989505).

51421547536127 is a wasteful number, since it uses less digits than its factorization.

51421547536127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291878689.

The product of its digits is 7056000, while the sum is 53.

The spelling of 51421547536127 in words is "fifty-one trillion, four hundred twenty-one billion, five hundred forty-seven million, five hundred thirty-six thousand, one hundred twenty-seven".