51332630660105 has 4 divisors (see below), whose sum is σ = 61599156792132. Its totient is φ = 41066104528080.

The previous prime is 51332630659969. The next prime is 51332630660111. The reversal of 51332630660105 is 50106603623315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10240838417161 + 41091792242944 = 3200131^2 + 6410288^2 .

It is not a de Polignac number, because 51332630660105 - 2¹⁰ = 51332630659081 is a prime.

It is a super-2 number, since 2×51332630660105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133263066006 + ... + 5133263066015.

It is an arithmetic number, because the mean of its divisors is an integer number (15399789198033).

Almost surely, 2^{51332630660105} is an apocalyptic number.

It is an amenable number.

51332630660105 is a deficient number, since it is larger than the sum of its proper divisors (10266526132027).

51332630660105 is a wasteful number, since it uses less digits than its factorization.

51332630660105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10266526132026.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 51332630660105 in words is "fifty-one trillion, three hundred thirty-two billion, six hundred thirty million, six hundred sixty thousand, one hundred five".