56443122134465 has 16 divisors (see below), whose sum is σ = 77101751028096. Its totient is φ = 39264780614400.

The previous prime is 56443122134453. The next prime is 56443122134467.

56443122134465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56443122134465 - 2⁸ = 56443122134209 is a prime.

It is a super-2 number, since 2×56443122134465² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56443122134467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22309533176 + ... + 22309535705.

It is an arithmetic number, because the mean of its divisors is an integer number (4818859439256).

Almost surely, 2^{56443122134465} is an apocalyptic number.

56443122134465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56443122134465 is a deficient number, since it is larger than the sum of its proper divisors (20658628893631).

56443122134465 is a wasteful number, since it uses less digits than its factorization.

56443122134465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44619068920.

The product of its digits is 8294400, while the sum is 50.

It can be divided in two parts, 5644312 and 2134465, that added together give a palindrome (7778777).

The spelling of 56443122134465 in words is "fifty-six trillion, four hundred forty-three billion, one hundred twenty-two million, one hundred thirty-four thousand, four hundred sixty-five".