14121513344465 has 8 divisors (see below), whose sum is σ = 16946031542760. Its totient is φ = 11297066989312.

The previous prime is 14121513344443. The next prime is 14121513344467. The reversal of 14121513344465 is 56444331512141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7832206737664 + 6289306606801 = 2798608^2 + 2507849^2 .

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 14121513344465 - 2¹⁸ = 14121513082321 is a prime.

It is a super-2 number, since 2×14121513344465² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14121513344467) 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, 17527400 + ... + 18315369.

It is an arithmetic number, because the mean of its divisors is an integer number (2118253942845).

Almost surely, 2^{14121513344465} is an apocalyptic number.

It is an amenable number.

14121513344465 is a deficient number, since it is larger than the sum of its proper divisors (2824518198295).

14121513344465 is an equidigital number, since it uses as much as digits as its factorization.

14121513344465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35921571.

The product of its digits is 691200, while the sum is 44.

The spelling of 14121513344465 in words is "fourteen trillion, one hundred twenty-one billion, five hundred thirteen million, three hundred forty-four thousand, four hundred sixty-five".