51210144306656 has 12 divisors (see below), whose sum is σ = 100819971603792. Its totient is φ = 25605072153312.

The previous prime is 51210144306637. The next prime is 51210144306691. The reversal of 51210144306656 is 65660344101215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800158504760 + ... + 800158504823.

It is an arithmetic number, because the mean of its divisors is an integer number (8401664300316).

Almost surely, 2^{51210144306656} is an apocalyptic number.

It is an amenable number.

51210144306656 is a deficient number, since it is larger than the sum of its proper divisors (49609827297136).

51210144306656 is a wasteful number, since it uses less digits than its factorization.

51210144306656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600317009593 (or 1600317009585 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 51210144306656 in words is "fifty-one trillion, two hundred ten billion, one hundred forty-four million, three hundred six thousand, six hundred fifty-six".