51375121677573 has 32 divisors (see below), whose sum is σ = 69063428044800. Its totient is φ = 33969635782656.

The previous prime is 51375121677571. The next prime is 51375121677611. The reversal of 51375121677573 is 37577612157315.

It is not a de Polignac number, because 51375121677573 - 2¹ = 51375121677571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375121677571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2027499138 + ... + 2027524476.

It is an arithmetic number, because the mean of its divisors is an integer number (2158232126400).

Almost surely, 2^{51375121677573} is an apocalyptic number.

It is an amenable number.

51375121677573 is a deficient number, since it is larger than the sum of its proper divisors (17688306367227).

51375121677573 is a wasteful number, since it uses less digits than its factorization.

51375121677573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36841.

The product of its digits is 32413500, while the sum is 60.

The spelling of 51375121677573 in words is "fifty-one trillion, three hundred seventy-five billion, one hundred twenty-one million, six hundred seventy-seven thousand, five hundred seventy-three".