12585824955 has 40 divisors (see below), whose sum is σ = 24612288624. Its totient is φ = 6102216000.

The previous prime is 12585824887. The next prime is 12585824987. The reversal of 12585824955 is 55942858521.

12585824955 is a `hidden beast` number, since 1 + 2 + 5 + 8 + 582 + 4 + 9 + 55 = 666.

It is not a de Polignac number, because 12585824955 - 2¹⁶ = 12585759419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1408096 + ... + 1417005.

Almost surely, 2^12585824955 is an apocalyptic number.

12585824955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12585824955 is a deficient number, since it is larger than the sum of its proper divisors (12026463669).

12585824955 is a wasteful number, since it uses less digits than its factorization.

12585824955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825129 (or 2825120 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 54.

The spelling of 12585824955 in words is "twelve billion, five hundred eighty-five million, eight hundred twenty-four thousand, nine hundred fifty-five".