51161160101605 has 8 divisors (see below), whose sum is σ = 61451806392864. Its totient is φ = 40889985234000.

The previous prime is 51161160101599. The next prime is 51161160101629. The reversal of 51161160101605 is 50610106116115.

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

It is not a de Polignac number, because 51161160101605 - 2²⁵ = 51161126547173 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 7 ways as a sum of consecutive naturals, for example, 4867850131 + ... + 4867860640.

It is an arithmetic number, because the mean of its divisors is an integer number (7681475799108).

Almost surely, 2^{51161160101605} is an apocalyptic number.

It is an amenable number.

51161160101605 is a deficient number, since it is larger than the sum of its proper divisors (10290646291259).

51161160101605 is a wasteful number, since it uses less digits than its factorization.

51161160101605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735711827.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 51161160101605 in words is "fifty-one trillion, one hundred sixty-one billion, one hundred sixty million, one hundred one thousand, six hundred five".