51527180613 has 16 divisors (see below), whose sum is σ = 69008329856. Its totient is φ = 34199081280.

The previous prime is 51527180491. The next prime is 51527180651. The reversal of 51527180613 is 31608172515.

It is not a de Polignac number, because 51527180613 - 2¹² = 51527176517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51527180113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573195 + ... + 656967.

It is an arithmetic number, because the mean of its divisors is an integer number (4313020616).

Almost surely, 2^51527180613 is an apocalyptic number.

It is an amenable number.

51527180613 is a deficient number, since it is larger than the sum of its proper divisors (17481149243).

51527180613 is a wasteful number, since it uses less digits than its factorization.

51527180613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84684.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 51527180613 in words is "fifty-one billion, five hundred twenty-seven million, one hundred eighty thousand, six hundred thirteen".