14412561656545 has 8 divisors (see below), whose sum is σ = 18625464294696. Its totient is φ = 10643122454016.

The previous prime is 14412561656543. The next prime is 14412561656567. The reversal of 14412561656545 is 54565616521441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2042175328209 + 12370386328336 = 1429047^2 + 3517156^2 .

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

It is not a de Polignac number, because 14412561656545 - 2¹ = 14412561656543 is a prime.

It is a super-2 number, since 2×14412561656545² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14412561656543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110865858832 + ... + 110865858961.

It is an arithmetic number, because the mean of its divisors is an integer number (2328183036837).

Almost surely, 2^{14412561656545} is an apocalyptic number.

It is an amenable number.

14412561656545 is a deficient number, since it is larger than the sum of its proper divisors (4212902638151).

14412561656545 is a wasteful number, since it uses less digits than its factorization.

14412561656545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221731717811.

The product of its digits is 17280000, while the sum is 55.

The spelling of 14412561656545 in words is "fourteen trillion, four hundred twelve billion, five hundred sixty-one million, six hundred fifty-six thousand, five hundred forty-five".