12651654565 has 8 divisors (see below), whose sum is σ = 16562166048. Its totient is φ = 9201203280.

The previous prime is 12651654443. The next prime is 12651654593. The reversal of 12651654565 is 56545615621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12651654565 - 2⁹ = 12651654053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115014987 + ... + 115015096.

It is an arithmetic number, because the mean of its divisors is an integer number (2070270756).

Almost surely, 2^12651654565 is an apocalyptic number.

It is an amenable number.

12651654565 is a deficient number, since it is larger than the sum of its proper divisors (3910511483).

12651654565 is a wasteful number, since it uses less digits than its factorization.

12651654565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230030099.

The product of its digits is 1080000, while the sum is 46.

The spelling of 12651654565 in words is "twelve billion, six hundred fifty-one million, six hundred fifty-four thousand, five hundred sixty-five".