56416261465 has 12 divisors (see below), whose sum is σ = 68133616236. Its totient is φ = 44845439808.

The previous prime is 56416261453. The next prime is 56416261481.

56416261465 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 25210441 + 56391051024 = 5021^2 + 237468^2 .

It is not a de Polignac number, because 56416261465 - 2¹⁵ = 56416228697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105634 + ... + 352123.

It is an arithmetic number, because the mean of its divisors is an integer number (5677801353).

Almost surely, 2^56416261465 is an apocalyptic number.

It is an amenable number.

56416261465 is a deficient number, since it is larger than the sum of its proper divisors (11717354771).

56416261465 is an equidigital number, since it uses as much as digits as its factorization.

56416261465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458076 (or 457919 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 56416261465 in words is "fifty-six billion, four hundred sixteen million, two hundred sixty-one thousand, four hundred sixty-five".