51260765144013 has 6 divisors (see below), whose sum is σ = 74043327430254. Its totient is φ = 34173843429336.

The previous prime is 51260765144009. The next prime is 51260765144027. The reversal of 51260765144013 is 31044156706215.

It is a happy number.

51260765144013 is a `hidden beast` number, since 5 + 1 + 2 + 60 + 76 + 514 + 4 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48707934517449 + 2552830626564 = 6979107^2 + 1597758^2 .

It is not a de Polignac number, because 51260765144013 - 2² = 51260765144009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51260765144013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51260765104013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2847820285770 + ... + 2847820285787.

It is an arithmetic number, because the mean of its divisors is an integer number (12340554571709).

Almost surely, 2^{51260765144013} is an apocalyptic number.

It is an amenable number.

51260765144013 is a deficient number, since it is larger than the sum of its proper divisors (22782562286241).

51260765144013 is a wasteful number, since it uses less digits than its factorization.

51260765144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695640571563 (or 5695640571560 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 51260765144013 in words is "fifty-one trillion, two hundred sixty billion, seven hundred sixty-five million, one hundred forty-four thousand, thirteen".