56051666615065 has 16 divisors (see below), whose sum is σ = 74133188317440. Its totient is φ = 40344592273920.

The previous prime is 56051666615011. The next prime is 56051666615071.

56051666615065 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56051666615065 - 2¹¹ = 56051666613017 is a prime.

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, 5253196785 + ... + 5253207454.

It is an arithmetic number, because the mean of its divisors is an integer number (4633324269840).

Almost surely, 2^{56051666615065} is an apocalyptic number.

56051666615065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56051666615065 is a deficient number, since it is larger than the sum of its proper divisors (18081521702375).

56051666615065 is a wasteful number, since it uses less digits than its factorization.

56051666615065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506404352.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 56051666615065 in words is "fifty-six trillion, fifty-one billion, six hundred sixty-six million, six hundred fifteen thousand, sixty-five".