51345000665060 has 12 divisors (see below), whose sum is σ = 107824501396668. Its totient is φ = 20538000266016.

The previous prime is 51345000665053. The next prime is 51345000665089. The reversal of 51345000665060 is 6056600054315.

51345000665060 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 9775414952356 + 41569585712704 = 3126566^2 + 6447448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51345000664999 and 51345000665017.

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, 1283625016607 + ... + 1283625016646.

It is an arithmetic number, because the mean of its divisors is an integer number (8985375116389).

Almost surely, 2^{51345000665060} is an apocalyptic number.

It is an amenable number.

51345000665060 is an abundant number, since it is smaller than the sum of its proper divisors (56479500731608).

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

51345000665060 is a wasteful number, since it uses less digits than its factorization.

51345000665060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567250033262 (or 2567250033260 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 51345000665060 in words is "fifty-one trillion, three hundred forty-five billion, six hundred sixty-five thousand, sixty".