14505220451 has 4 divisors (see below), whose sum is σ = 14513144304. Its totient is φ = 14497296600.

The previous prime is 14505220397. The next prime is 14505220469. The reversal of 14505220451 is 15402250541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14505220451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14505520451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3959180 + ... + 3962841.

It is an arithmetic number, because the mean of its divisors is an integer number (3628286076).

Almost surely, 2^14505220451 is an apocalyptic number.

14505220451 is a deficient number, since it is larger than the sum of its proper divisors (7923853).

14505220451 is an equidigital number, since it uses as much as digits as its factorization.

14505220451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7923852.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 14505220451 its reverse (15402250541), we get a palindrome (29907470992).

The spelling of 14505220451 in words is "fourteen billion, five hundred five million, two hundred twenty thousand, four hundred fifty-one".