12655406559 has 8 divisors (see below), whose sum is σ = 16880725120. Its totient is φ = 8433512856.

The previous prime is 12655406537. The next prime is 12655406563. The reversal of 12655406559 is 95560455621.

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

It is not a de Polignac number, because 12655406559 - 2⁵ = 12655406527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655486559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847579 + ... + 862380.

It is an arithmetic number, because the mean of its divisors is an integer number (2110090640).

Almost surely, 2^12655406559 is an apocalyptic number.

12655406559 is a deficient number, since it is larger than the sum of its proper divisors (4225318561).

12655406559 is a wasteful number, since it uses less digits than its factorization.

12655406559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712429.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 12655406559 in words is "twelve billion, six hundred fifty-five million, four hundred six thousand, five hundred fifty-nine".