51444615125071 has 8 divisors (see below), whose sum is σ = 59168328953120. Its totient is φ = 43814522071008.

The previous prime is 51444615125053. The next prime is 51444615125143. The reversal of 51444615125071 is 17052151644415.

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 51444615125071 - 2²¹ = 51444613027919 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 (51444619125071) 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, 23405192316 + ... + 23405194513.

It is an arithmetic number, because the mean of its divisors is an integer number (7396041119140).

Almost surely, 2^{51444615125071} is an apocalyptic number.

51444615125071 is a deficient number, since it is larger than the sum of its proper divisors (7723713828049).

51444615125071 is a wasteful number, since it uses less digits than its factorization.

51444615125071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810386993.

The product of its (nonzero) digits is 672000, while the sum is 46.

Adding to 51444615125071 its reverse (17052151644415), we get a palindrome (68496766769486).

The spelling of 51444615125071 in words is "fifty-one trillion, four hundred forty-four billion, six hundred fifteen million, one hundred twenty-five thousand, seventy-one".