51651615610005 has 8 divisors (see below), whose sum is σ = 82642584976032. Its totient is φ = 27547528325328.

The previous prime is 51651615609973. The next prime is 51651615610019. The reversal of 51651615610005 is 50001651615615.

51651615610005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51651615610005 - 2⁵ = 51651615609973 is a prime.

It is a super-2 number, since 2×51651615610005² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721720520319 + ... + 1721720520348.

It is an arithmetic number, because the mean of its divisors is an integer number (10330323122004).

Almost surely, 2^{51651615610005} is an apocalyptic number.

It is an amenable number.

51651615610005 is a deficient number, since it is larger than the sum of its proper divisors (30990969366027).

51651615610005 is a wasteful number, since it uses less digits than its factorization.

51651615610005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443441040675.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 51651615610005 in words is "fifty-one trillion, six hundred fifty-one billion, six hundred fifteen million, six hundred ten thousand, five".