12549116191185 has 240 divisors, whose sum is σ = 26320395404160. Its totient is φ = 5703472051200.

The previous prime is 12549116191147. The next prime is 12549116191187. The reversal of 12549116191185 is 58119161194521.

It is a happy number.

12549116191185 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 9 + 1 + 1 + 619 + 1 + 18 + 5 = 666.

It is not a de Polignac number, because 12549116191185 - 2¹⁶ = 12549116125649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12549116191187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2534660460 + ... + 2534665410.

It is an arithmetic number, because the mean of its divisors is an integer number (109668314184).

Almost surely, 2^{12549116191185} is an apocalyptic number.

12549116191185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12549116191185 is an abundant number, since it is smaller than the sum of its proper divisors (13771279212975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12549116191185 is a wasteful number, since it uses less digits than its factorization.

12549116191185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5682 counting only the distinct ones).

The product of its digits is 777600, while the sum is 54.

The spelling of 12549116191185 in words is "twelve trillion, five hundred forty-nine billion, one hundred sixteen million, one hundred ninety-one thousand, one hundred eighty-five".