51061116606005 has 16 divisors (see below), whose sum is σ = 66844650498048. Its totient is φ = 37134798120000.

The previous prime is 51061116605981. The next prime is 51061116606011. The reversal of 51061116606005 is 50060661116015.

It is not a de Polignac number, because 51061116606005 - 2¹² = 51061116601909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51061116606005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3290741 + ... + 10627850.

It is an arithmetic number, because the mean of its divisors is an integer number (4177790656128).

Almost surely, 2^{51061116606005} is an apocalyptic number.

51061116606005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51061116606005 is a deficient number, since it is larger than the sum of its proper divisors (15783533892043).

51061116606005 is a wasteful number, since it uses less digits than its factorization.

51061116606005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13985308.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 51061116606005 in words is "fifty-one trillion, sixty-one billion, one hundred sixteen million, six hundred six thousand, five".