14417552561 has 4 divisors (see below), whose sum is σ = 14419944432. Its totient is φ = 14415160692.

The previous prime is 14417552557. The next prime is 14417552573. The reversal of 14417552561 is 16525571441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14417552561 - 2² = 14417552557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14417552521) 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, 1186871 + ... + 1198956.

It is an arithmetic number, because the mean of its divisors is an integer number (3604986108).

Almost surely, 2^14417552561 is an apocalyptic number.

It is an amenable number.

14417552561 is a deficient number, since it is larger than the sum of its proper divisors (2391871).

14417552561 is an equidigital number, since it uses as much as digits as its factorization.

14417552561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391870.

The product of its digits is 168000, while the sum is 41.

The spelling of 14417552561 in words is "fourteen billion, four hundred seventeen million, five hundred fifty-two thousand, five hundred sixty-one".