14321153561 has 12 divisors (see below), whose sum is σ = 16952314596. Its totient is φ = 12017749920.

The previous prime is 14321153557. The next prime is 14321153563. The reversal of 14321153561 is 16535112341.

It can be written as a sum of positive squares in 2 ways, for example, as 6177174025 + 8143979536 = 78595^2 + 90244^2 .

It is not a de Polignac number, because 14321153561 - 2² = 14321153557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14321153563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4550606 + ... + 4553751.

It is an arithmetic number, because the mean of its divisors is an integer number (1412692883).

Almost surely, 2^14321153561 is an apocalyptic number.

14321153561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14321153561 is a deficient number, since it is larger than the sum of its proper divisors (2631161035).

14321153561 is a wasteful number, since it uses less digits than its factorization.

14321153561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104392 (or 9104381 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The spelling of 14321153561 in words is "fourteen billion, three hundred twenty-one million, one hundred fifty-three thousand, five hundred sixty-one".