56405054122345 has 8 divisors (see below), whose sum is σ = 67686141480264. Its totient is φ = 45123992275584.

The previous prime is 56405054122321. The next prime is 56405054122471. The reversal of 56405054122345 is 54322145050465.

It can be written as a sum of positive squares in 4 ways, for example, as 5864940871696 + 50540113250649 = 2421764^2 + 7109157^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56405054122345 - 2²³ = 56405045733737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56405054122295 and 56405054122304.

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, 1119474 + ... + 10680043.

It is an arithmetic number, because the mean of its divisors is an integer number (8460767685033).

Almost surely, 2^{56405054122345} is an apocalyptic number.

It is an amenable number.

56405054122345 is a deficient number, since it is larger than the sum of its proper divisors (11281087357919).

56405054122345 is a wasteful number, since it uses less digits than its factorization.

56405054122345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755579.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 56405054122345 in words is "fifty-six trillion, four hundred five billion, fifty-four million, one hundred twenty-two thousand, three hundred forty-five".