51066105005 has 64 divisors (see below), whose sum is σ = 65928757248. Its totient is φ = 37889026560.

The previous prime is 51066104989. The next prime is 51066105019. The reversal of 51066105005 is 50050166015.

It is not a de Polignac number, because 51066105005 - 2⁴ = 51066104989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224960702 + ... + 224960928.

It is an arithmetic number, because the mean of its divisors is an integer number (1030136832).

Almost surely, 2^51066105005 is an apocalyptic number.

It is an amenable number.

51066105005 is a deficient number, since it is larger than the sum of its proper divisors (14862652243).

51066105005 is a wasteful number, since it uses less digits than its factorization.

51066105005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 51066105005 in words is "fifty-one billion, sixty-six million, one hundred five thousand, five".