51210551660104 has 16 divisors (see below), whose sum is σ = 96026615318700. Its totient is φ = 25603454241792.

The previous prime is 51210551660077. The next prime is 51210551660111. The reversal of 51210551660104 is 40106615501215.

51210551660104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38050416924004 + 13160134736100 = 6168502^2 + 3627690^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227579049 + ... + 227803960.

Almost surely, 2^{51210551660104} is an apocalyptic number.

It is an amenable number.

51210551660104 is a deficient number, since it is larger than the sum of its proper divisors (44816063658596).

51210551660104 is a wasteful number, since it uses less digits than its factorization.

51210551660104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455397072 (or 455397068 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 51210551660104 in words is "fifty-one trillion, two hundred ten billion, five hundred fifty-one million, six hundred sixty thousand, one hundred four".