56451744715465 has 8 divisors (see below), whose sum is σ = 73900465809408. Its totient is φ = 41055814338480.

The previous prime is 56451744715451. The next prime is 56451744715469.

56451744715465 is nontrivially palindromic in base 10.

56451744715465 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 56451744715465 - 2¹⁷ = 56451744584393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56451744715397 and 56451744715406.

It is not an unprimeable number, because it can be changed into a prime (56451744715469) by changing a digit.

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, 513197679177 + ... + 513197679286.

It is an arithmetic number, because the mean of its divisors is an integer number (9237558226176).

Almost surely, 2^{56451744715465} is an apocalyptic number.

56451744715465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56451744715465 is a deficient number, since it is larger than the sum of its proper divisors (17448721093943).

56451744715465 is a wasteful number, since it uses less digits than its factorization.

56451744715465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026395358479.

The product of its digits is 282240000, while the sum is 64.

The spelling of 56451744715465 in words is "fifty-six trillion, four hundred fifty-one billion, seven hundred forty-four million, seven hundred fifteen thousand, four hundred sixty-five".