12632985559 has 4 divisors (see below), whose sum is σ = 12941107200. Its totient is φ = 12324863920.

The previous prime is 12632985557. The next prime is 12632985623. The reversal of 12632985559 is 95558923621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12632985559 - 2¹ = 12632985557 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 (12632985551) 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, 154060759 + ... + 154060840.

It is an arithmetic number, because the mean of its divisors is an integer number (3235276800).

Almost surely, 2^12632985559 is an apocalyptic number.

12632985559 is a deficient number, since it is larger than the sum of its proper divisors (308121641).

12632985559 is an equidigital number, since it uses as much as digits as its factorization.

12632985559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308121640.

The product of its digits is 5832000, while the sum is 55.

The spelling of 12632985559 in words is "twelve billion, six hundred thirty-two million, nine hundred eighty-five thousand, five hundred fifty-nine".