14504481561 has 16 divisors (see below), whose sum is σ = 19478237184. Its totient is φ = 9600328464.

The previous prime is 14504481557. The next prime is 14504481569. The reversal of 14504481561 is 16518440541.

It is not a de Polignac number, because 14504481561 - 2² = 14504481557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14504481569) 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, 415590 + ... + 449136.

It is an arithmetic number, because the mean of its divisors is an integer number (1217389824).

Almost surely, 2^14504481561 is an apocalyptic number.

It is an amenable number.

14504481561 is a deficient number, since it is larger than the sum of its proper divisors (4973755623).

14504481561 is a wasteful number, since it uses less digits than its factorization.

14504481561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34580.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 14504481561 in words is "fourteen billion, five hundred four million, four hundred eighty-one thousand, five hundred sixty-one".