51351200003320 has 64 divisors (see below), whose sum is σ = 135614752159680. Its totient is φ = 17130284476416.

The previous prime is 51351200003269. The next prime is 51351200003339. The reversal of 51351200003320 is 2330000215315.

It is a super-2 number, since 2×51351200003320² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2478329409 + ... + 2478350128.

It is an arithmetic number, because the mean of its divisors is an integer number (2118980502495).

Almost surely, 2^{51351200003320} is an apocalyptic number.

It is an amenable number.

51351200003320 is an abundant number, since it is smaller than the sum of its proper divisors (84263552156360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51351200003320 is a wasteful number, since it uses less digits than its factorization.

51351200003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956679592 (or 4956679588 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 51351200003320 its reverse (2330000215315), we get a palindrome (53681200218635).

The spelling of 51351200003320 in words is "fifty-one trillion, three hundred fifty-one billion, two hundred million, three thousand, three hundred twenty".