51444068129571 has 8 divisors (see below), whose sum is σ = 73868405519440. Its totient is φ = 31657888079712.

The previous prime is 51444068129539. The next prime is 51444068129633. The reversal of 51444068129571 is 17592186044415.

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

It is not a de Polignac number, because 51444068129571 - 2⁵ = 51444068129539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51444068121571) 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, 659539334956 + ... + 659539335033.

It is an arithmetic number, because the mean of its divisors is an integer number (9233550689930).

Almost surely, 2^{51444068129571} is an apocalyptic number.

51444068129571 is a deficient number, since it is larger than the sum of its proper divisors (22424337389869).

51444068129571 is a wasteful number, since it uses less digits than its factorization.

51444068129571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319078670005.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 51444068129571 in words is "fifty-one trillion, four hundred forty-four billion, sixty-eight million, one hundred twenty-nine thousand, five hundred seventy-one".