14225640561 has 24 divisors (see below), whose sum is σ = 23139267840. Its totient is φ = 8343482400.

The previous prime is 14225640557. The next prime is 14225640617. The reversal of 14225640561 is 16504652241.

14225640561 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 5 + 640 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 14225640561 - 2² = 14225640557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14225650561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2314566 + ... + 2320703.

It is an arithmetic number, because the mean of its divisors is an integer number (964136160).

Almost surely, 2^14225640561 is an apocalyptic number.

14225640561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14225640561 is a deficient number, since it is larger than the sum of its proper divisors (8913627279).

14225640561 is a wasteful number, since it uses less digits than its factorization.

14225640561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635317 (or 4635314 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 14225640561 in words is "fourteen billion, two hundred twenty-five million, six hundred forty thousand, five hundred sixty-one".