51341252360165 has 32 divisors (see below), whose sum is σ = 66017248909920. Its totient is φ = 38193897406464.

The previous prime is 51341252360149. The next prime is 51341252360221. The reversal of 51341252360165 is 56106325214315.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 1507902953089 + 49833349407076 = 1227967^2 + 7059274^2 .

It is a cyclic number.

It is not a de Polignac number, because 51341252360165 - 2⁴ = 51341252360149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361100 + ... + 10139669.

It is an arithmetic number, because the mean of its divisors is an integer number (2063039028435).

Almost surely, 2^{51341252360165} is an apocalyptic number.

It is an amenable number.

51341252360165 is a deficient number, since it is larger than the sum of its proper divisors (14675996549755).

51341252360165 is a wasteful number, since it uses less digits than its factorization.

51341252360165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501481.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 51341252360165 in words is "fifty-one trillion, three hundred forty-one billion, two hundred fifty-two million, three hundred sixty thousand, one hundred sixty-five".