51512505730352 has 20 divisors (see below), whose sum is σ = 101688602115600. Its totient is φ = 25270285829568.

The previous prime is 51512505730321. The next prime is 51512505730391. The reversal of 51512505730352 is 25303750521515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30372938852 + ... + 30372940547.

It is an arithmetic number, because the mean of its divisors is an integer number (5084430105780).

Almost surely, 2^{51512505730352} is an apocalyptic number.

It is an amenable number.

51512505730352 is a deficient number, since it is larger than the sum of its proper divisors (50176096385248).

51512505730352 is a wasteful number, since it uses less digits than its factorization.

51512505730352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60745879460 (or 60745879454 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 44.

The spelling of 51512505730352 in words is "fifty-one trillion, five hundred twelve billion, five hundred five million, seven hundred thirty thousand, three hundred fifty-two".